If, then, we find an infant at birth or immediately after⁷⁴ presenting on the soles, the palms, the fingers and toes, or on the limbs, an eruption consisting of blebs more or less perfectly distended with a liquid which may be clear, cloudy, or bloody, circular or oval in shape, sometimes irregular, seated on inflamed, reddish skin, and surrounded by trifling areolæ, we may strongly suspect the presence of syphilis in an active and most menacing form. And this suspicion becomes a certainty if, in combination with such an eruption, the general cutaneous surface is yellowish or muddy in hue, is hard, dry, wrinkled, without elasticity or softness—owing to the absence of subcutaneous fat—and, for the same reason, is furrowed and wrinkled about the face, imparting an appearance of senility; if the child has a hoarse cry, a discharge from the nostrils; and, of course, if there are at the same time other and unmistakable syphilodermata. This eruption is specially important, however, because upon the recognition of its specific character in cases of stillbirth, or in those in which the child survives only a few days—not long enough for the development of further symptoms—will depend the opinion as to the cause of death, which, whether expressed or not, will determine the future treatment of both parents during the interval and of the mother during the next pregnancy.

⁷⁴ Non-syphilitic pemphigus is said to be never present at birth, nor until the child has become considerably exhausted by wasting from some defect of nutrition. It therefore does not appear until it is several weeks old. It then attacks the trunk in preference to the palms and soles.

We may now consider the other symptoms of the secondary period in the child.

Coryza is one of the most characteristic, and at the same time one of the most important, of these in its influence on the health of the child. It is due to the same condition of the mucous membrane lining the nasal fossæ as manifests itself simultaneously or soon afterward on the skin in the shape of erythema, roseola, or papules; in other words, it is a hyperæmia with papillary infiltration. Now, on the skin this condition, except in so far as it indicates the presence of a grave constitutional disease, is of no special importance. In the nostrils of a sucking infant, already debilitated and impoverished by the anæmia of syphilis, and depending upon its nutrition for the continuance of the miserable flickering life which was its original endowment, the same condition assumes the gravest significance.

The excessive supply of blood to the parts induces a catarrhal condition which shows itself in a thin, watery discharge, which, as the child during sucking is compelled to breathe through the nose, is rapidly dried into crusts. These become adherent, fill up and lessen the channel for the passage of air, and in so doing add to the rapidity and force of the respiration through the nose, and thus increase the tendency to the deposit of these crusts. The peculiar nasal, noisy respiration of the child has given the affection the popular name of snuffles. As the child can no longer breathe, or can breathe only with great difficulty, while sucking, it takes the breast only to drop it again immediately on account of impending suffocation.⁷⁵ As the disease progresses ulceration occurs beneath the crusts, and often involves the entire thickness of the delicate mucous and periosteal layers underlying the thin bones of the nose; perforation of these bones results, sometimes with caries to such an extent as to cause an entire loss of the nasal septum, with flattening of the nose—a symptom comparable to one which sometimes occurs in the tertiary period of adults, but produced, as we have seen, by other causes. In adults syphilitic caries and necrosis are usually due to lesions seated primarily in the osseous or subperiosteal tissues; in the child, at least in this instance, these tissues are involved secondarily.

⁷⁵ For an admirable description of the mechanism of this and other symptoms of coryza see Diday, op. cit., pp. 78-83.

Erythema, or roseola as it is differently called, is apt to present itself about the second or third week⁷⁶ after birth. As in the adult, it begins upon the abdomen in the form of little oval, circular, or irregular spots, dull red in color and disappearing upon pressure. Later the color becomes deeper, the eruption extends to the trunk and limbs, and, as exudation and cell-proliferation succeed to simple capillary stains, it ceases to disappear when pressed upon. It is often moist, owing to the thinness of the epidermis, sometimes excoriated. Occasionally it is confluent, and covers large areas with an almost unbroken sheet of deep-red color.

⁷⁶ Bassereau gives an instance of its occurrence within three days.

The diagnosis in the early stage is often difficult on account of the resemblance to the simple erythema of infancy. As the disease progresses, however, maculæ form here and there; the cell-infiltration involves the papillæ, several of which coalesce, forming flat papules; the nutrition of the superficial layers of the epiderm is interfered with, especially where it is thick, as on the palms and soles, and the eruption in those regions becomes scaly, and then the diagnosis is not difficult.

Papules and Mucous Patches.—In the ordinary evolution of the disease the next manifestation is usually the development of papules upon the general cutaneous surface and of mucous patches on the tongue, lips, and cheeks—probably also on other mucous membranes not exposed to examination. The papules are apt, for the reason already mentioned—the thinness and moisture of the skin—to be of the broad, flat kind, especially, as in the adult, in those regions where the elements of warmth and friction are superadded to the moisture, as in the folds of the skin about the genitalia, the neck, the flexures of the joints, etc. They are then moist, covered with a grayish secretion or a thin crust, and are in reality mucous patches. Occasionally they take on a little hypertrophy and develop condylomatous excrescences which closely resemble the simple acute condylomata of infants. In syphilis, however, the growth springs from a previously existing papule, which is not apt to be solitary, there being others in the neighborhood which will probably establish the diagnosis. The syphilitic condylomata also have a peculiar fetid discharge, resembling that of mucous patches and more or less characteristic.⁷⁷

⁷⁷ Van Harlingen, article "Syphilis" in the International Encyclopædia of Surgery, vol. ii. p. 560.

Mucous patches in the infant are among the most important of the early syphilitic lesions—not to the child itself, because they do not materially affect its health, save in those exceptional instances where they are accompanied by a marked degree of stomatitis, and thus interfere with its nursing. Their importance is due to the fact that they are almost constantly present, and they are thus by far the most frequent vehicle of contagion from the child to its nurse or to others with whom it may come in contact. At times they do not differ materially from the same lesion occurring in the adult, but lose much sooner their epithelial investment (on account of the delicacy and comparatively slight attachment of the epithelium at this stage), and they then appear as oval or irregular red, slightly depressed spots, distinct or coalescing, ulcerating or oftener covered by a false membrane. They especially affect the angles of the mouth and the sides and dorsum of the tongue; and indeed their disposition to select the former situation constitutes a diagnostic difference between them and non-specific stomatitis which is to be found in the sulci between the gums and cheeks and on the gums themselves—locations rarely invaded by mucous patches.⁷⁸ When the latter are ulcerating or are concealed by diphtheritic membrane, and are situated on the tongue, they may be mistaken for either simple or parasitic stomatitis. The diagnosis can often be made by the presence of other syphilitic symptoms—coryza, erythema, and especially papules. In their absence, however, it must be remembered that in simple stomatitis, the inflammation not being limited to special areas, the whole tongue is apt to be involved or a much larger portion of the buccal mucous membrane; and as there is no marked tendency to cell-proliferation in these cases, the accompanying exudation is apt to be serous or watery and to result in vesiculation—a condition never seen in syphilitic stomatitis. In the parasitic disease, too, the inflammation is less localized, there is more swelling and congestion, and the false membrane is said to be of a whiter color.

⁷⁸ Bumstead and Taylor, op. cit., p. 750.

No child that has even been suspected of having a taint of hereditary syphilis should be permitted to nurse at the breast of any one but the mother, to share its cup or nursing-bottle with other children, to receive the caresses of relatives or friends; and in this last restriction we would include the father, even if the suggestion⁷⁹ be true, that in the case of syphilitic children the protection from contagion probably extends to the male as well as the female parent. Paternity is sometimes a more doubtful problem than would seem probable, and even if the father were protected the husband might not be. The mucous patches, if any are found to exist, should be actively treated both locally and constitutionally, and during their demonstrable presence a most rigorous quarantine should be observed.

⁷⁹ Hyde, op. cit. See p. 264.

Syphilitic condylomata are due to hypertrophic changes in the papules, which under the influence of heat and moisture in certain regions coalesce and become more elevated. They vary in size from an eighth of an inch to a quarter or even a half of an inch in diameter. Their surface is flat and covered by a crust or by an offensive secretion. They are found most commonly about the anus or at the angles of the mouth.

Pustular Syphilides.—A little later in the secondary period, usually at about the sixth week, but sometimes much earlier, the papules become transformed into pustules, the change taking place slowly, so that if examined at any time after it has begun the child will present an eruption which is markedly polymorphic, showing here and there yellowish or reddish-yellow maculæ left after the absorption of the cell-element of certain papules, at other places beefy-red papules at the height of their development, or papules crowned by a ring of desiccated and desquamating epidermic scales, and in still other regions pustules in various stages of formation. Or the various formative stages of the pustules may be passed through so quickly that the eruption will be almost entirely pustular, few if any unmodified papules being discovered. The pustules may remain distended with pus for a considerable time, after which they may wither and slowly disappear or may rupture and leave ulcerated surfaces. A number of these ulcers sometimes run together and make extensive patches covered with thick, dark-colored crusts. These patches may resemble areas of impetigo or of impetiginous eczema, but in those affections the crusts are usually thinner and of a lighter color, and the skin beneath them is generally on a level with the surrounding surface, bright red and glazed; while under the crusts of the syphilide will be found a more or less depressed or excavated ulcer, often covered with pus. The diagnosis may indeed often be made by gently detaching and raising one of the crusts and noting the character of the surface beneath. The erosion under the crusts of eczema heals over more readily and without leaving a cicatrix.

A so-called furuncular eruption⁸⁰ is said to appear at variable periods between the sixth month and the third year, but does not appear to me to be clearly differentiated from the large pustular syphilides with thickened and elevated bases on the one hand, or the ulcerating tubercular eruption on the other.⁸¹ They are all so rare in hereditary syphilis, at any rate, as to have little clinical importance.

⁸⁰ Bumstead and Taylor, op. cit., p. 750.

⁸¹ The distinction between the two forms is usually manifest if the development of the lesions has been observed; but even this fails in regard to the tubercular eruption. They both occur at the same period; they both begin similarly, the furuncles as "small nodules in the corium," the tubercles as "deeply-seated papules or nodules;" they both run on to ulceration and pursue a chronic course (Van Harlingen, op. cit., p. 561).

Iritis.—Another symptom of the secondary period, but of later development and of rarer occurrence than the syphilodermata which have been described, is iritis. In spite of its rarity this is extremely important, because it is frequently overlooked until it has reached such a stage that occlusion of the pupil results, and also because when it is recognized it constitutes an almost pathognomonic sign of syphilis.⁸² This statement may now be made unhesitatingly, although for many years it was contended that iritis, and even the still more characteristic symptom keratitis, were only associated with syphilis as coincidences, the constitutional disease, when hereditary, having no causative relation to the local condition.

⁸² "When primary iritis occurs in syphilis in young children it is almost always due to syphilis" (Soelberg Wells, Treatise on Diseases of the Eye, Philada., 1873, p. 173).

To Mr. Hutchinson belongs the credit of having first clearly developed the specific character of this trouble,⁸³ which, on account of the mildness of the attendant symptoms, is often overlooked. The sclerotic zone of congestion so marked in the adult, and therefore so valuable a diagnostic sign to the general practitioner, is very slight, sometimes absent; and as a consequence the attention of neither parent nor physician is attracted to the condition until in the more serious cases it has done irreparable mischief. In milder cases, particularly where the child is under mercurial treatment for concomitant symptoms of syphilis, it may run its course and escape notice altogether;⁸⁴ and it is possible that owing to this fact the rarity of the affection has been overestimated. It is also possible that in such cases changes occurring at this time may in some instances lay the foundation for some of the deeper-seated ocular troubles of later life.

⁸³ Med. Times and Gazette, 1860, July 14; Ophthalmic Hospital Reports, vol. i. pp. 191, 226; A Clinical Memoir on Certain Diseases of the Eye and Ear consequent on Inherited Syphilis, London, 1863. In the introduction to this volume Mr. Hutchinson states that acute iritis dependent on hereditary syphilis was first described in connection with its true cause by Mr. Lawrence, but, as from the date of that gentleman's first case (1830) up to 1863 but six cases had been recorded, the announcement had made but little impression on the profession.

⁸⁴ "In the cases of this form of iritis which are seen in ordinary eye-practice much damage has often been done by occlusion of the pupil and deeper mischief. Probably many of the slighter cases escape the notice of the parents and are not brought to the surgeon" (Mr. Edward Nettleship. See Hill and Cooper, p. 271).

If, however, attention has been attracted to the eyes, the diagnosis is not usually difficult. The pupil is irregular, especially under atropia; there are streaks of lymph, dulness, swelling, change of color, and on very careful inspection a faint pink zone may be seen in the sclerotic. The conjunctiva and cornea are generally clear.

Mr. Hutchinson's analysis of the twenty-three cases reported by him is still of interest as furnishing reliable data for prognosis. The average age at the time the iritis commenced was five months and a half. The oldest was sixteen months at the time of the outbreak, the youngest six weeks. In twelve cases but one eye suffered; in eleven both were affected. In seven cases (ten eyes) the cure was complete; in two or three other cases very slender adhesions remained; in twelve cases, in nearly all of which the patients came under care only at a late period of the disease, one pupil was permanently occluded by organized false membrane. In nearly all, coincident symptoms of syphilis of the skin or mucous membranes were present. Of the thirteen cases in which alone a history of the family is recorded, the affected infant was the only living child of his parents in twelve instances. In the only case in the whole series in which it is stated that there were other living children the mother had lost four infants out of seven live births.

The prognosis depends on the stage at which they come under treatment. The lymph if recent, no matter in what quantity, will probably be absorbed under mercurial treatment, which will often be of great benefit even in those cases in which a certain amount of organization has occurred.⁸⁵

⁸⁵ It will not be uninteresting, perhaps, to append the aphorisms regarding iritis in infants which Mr. Hutchinson at that time enunciated: 1. The subjects of infantile iritis are much more frequently of the female than the male sex. 2. The age of five months is the period of life at or about which syphilitic infants are most liable to suffer from iritis. 3. Syphilitic iritis in infants is often symmetrical, but quite as frequently not so. (In his article in Reynolds's System of Medicine, written in 1866, three years later, but revised in 1870, he describes it as "usually symmetrical," vol. i. p. 444.) 4. Iritis, as it occurs in infants, is seldom complicated, and is attended by but few of the more severe symptoms which characterize the disease in the adult. 5. Notwithstanding the absence of phenomena of acute inflammation, the effusion of lymph and the danger of occlusion of the pupil are usually very great. 6. Mercurial treatment is most signally efficacious in curing the disease, and, if recent, in procuring the complete absorption of the effused lymph. 7. Mercurial treatment previously adopted does not prevent the occurrence of this form of iritis. 8. The subjects of infantile iritis, though often puny and cachectic, are also often apparently in good condition. 9. Infants suffering from iritis should always show one or other of the well-recognized symptoms of hereditary taint. 10. Most of those who suffer from syphilitic iritis are infants born within a short period of the date of the primary disease in their parents.

We have now a group of symptoms characteristic of the secondary period of syphilis, or that extending from birth, or much more commonly from the age of three or four weeks to about the end of the first year. The syphilitic child during this time has several or all of the following symptoms: Coryza with snuffles; an erythematous, papular, or pustular eruption on the skin; mucous patches on the lips, tongue, cheeks, etc.; a marked tendency to general wasting; a hoarse cry or cough; senility of aspect; iritis. The majority of syphilitic children born alive die during this stage.

Before its termination, sometimes even at birth, other lesions have been noticed (especially those affecting the liver), which, however, may better be described in connection with the special organ or organs involved.

Succeeding this stage—i.e. beginning in about a year or eighteen months—comes an intermediate period, which extends to second dentition, to puberty, or even much later, and which is characterized rather negatively—that is, by the absence of symptoms—than otherwise. The evidence of the general diathesis will of course be present in the shape possibly of malnutrition, stunted growth, or retarded development, perhaps shown in the weazened or withered face, the sunken nose, the pallor of the skin, the premature loss of the upper incisor teeth or the malformation of the others if they have erupted.

There is but little tendency to recurrence or relapse of any of the secondary symptoms; and in certain cases, not a very small proportion, in which these symptoms have been light and have been well and thoroughly treated, this stage extends throughout life; or, in other words, as is frequently the case with the adult who has followed a proper course of treatment, the disease appears to terminate with the secondary stage. In other cases, however, it recurs, and the symptoms which it then presents may be taken up in connection with the different organs or tissues involved.

Syphilis of the ear is for obvious reasons not often discoverable until the patient has reached an age at which interference with the function of hearing becomes a noticeable phenomena. The only symptom likely to attract attention during the stage of inherited syphilis which we are now considering is a catarrh of the middle ear, which may have for its starting-point some inflammation, ulceration, or mucous patch of the pharynx, causing a temporary or permanent occlusion of the orifices of the Eustachian tubes.⁸⁶ This may lead to perforation of the membrana tympani, purulent infiltration of the mastoid cells, etc., and when accompanied by an otorrhoea which attracts attention to the ear will be easily discovered by the physician. These cases are, however, exceptional, otorrhoea only being present in nine out of Hutchinson and Jackson's⁸⁷ one hundred cases of inherited syphilis, and consequently but little is known about the frequency or gravity of lesions of the auditory apparatus in the secondary stage of this form of syphilis.⁸⁸ The changes which occur later on are chiefly those which involve either the nerves themselves or their distribution in the labyrinth.

⁸⁶ Bäumler, Ziemssen's Cyclopædia, vol. iii. p. 226.

⁸⁷ Hutchinson and Hughlings Jackson, Med. Times and Gaz., Nov. 23, 1861.

⁸⁸ Schwartze (quoted by Hill and Cooper) found also that otorrhoea was a rare complication in deafness from syphilis.

The affections of the middle ear and Eustachian tube are said to be contemporaneous with the keratitis which appears in the neighborhood of puberty,⁸⁹ while those of the nerve are somewhat later in point of time, and are almost always conjoined with retinitis, choroiditis, and optic neuritis. As usual when investigating or describing any subject relating to syphilis, Mr. Hutchinson's opinion and observation must be detailed. In 1863 he wrote⁹⁰ that it was only recently that he had thought of specially investigating the disorders of hearing in reference to hereditary taint, having had his attention called to a peculiar form of deafness, usually symmetrical, passing rapidly through its different stages and unaccompanied by any marked degree of pain or any external disease. He then reported eighteen cases of which he had notes. The oldest of these patients was twenty-seven, the youngest eight—the average time of development of the deafness from twelve to fifteen. Although the membrana tympani was in no instance quite normal, in none were there found adequate changes to account for the deafness. In all the Eustachian tubes were pervious. In nearly all the disease was symmetrical. This fact, together with the absence of discoverable lesions of the external or middle ear, seems to point conclusively to disease of the nerves themselves, or at least to a central cause.⁹¹ He adds: "With regard to the prognosis of heredito-syphilitic deafness, I believe that it is very unfavorable. When the disease was progressive I have rarely witnessed any permanent improvement or arrest. In most it has gone on to total loss of hearing, and this in several instances in spite of the cautious use of specific remedies almost from the beginning. From six months to a year would appear to be the usual time required for the completion of the process and the entire abolition of the function."⁹²

⁸⁹ Purves, Guy's Hospital Reports, 1875, p. 564; Pritchard, British Medical Journal, April 21, 1877.

⁹⁰ Clinical Memoirs on Certain Diseases of the Eye and Ear consequent on Inherited Syphilis, London, 1863, pp. 182, 183.

⁹¹ In the Lancet for Jan. 16, 1875, he reports a case of total deafness in a young woman of seventeen which had come on in ten months without pain or otorrhoea. He believes the disease of the organ of hearing to be parallel with those cases of choroiditis disseminata or of optic neuritis in which blindness is produced without pain or any external evidence of inflammation, and which are distinctly and positively associated with inherited syphilis.

⁹² Mr. Hinton, in his edition of Toynbee's work on Diseases of the Ear, states that at Guy's Hospital, of his aural patients, one in twenty is affected with deafness due to heredito-syphilis; that it usually makes its appearance between the tenth and sixteenth years; and that the great majority of the cases which he has seen have been females. He adds: "Patients suffering from this disease may, as a rule, at least when young, be at once distinguished by the amount of deafness which they exhibit. I know no other affection except fever which in a person under twenty brings on a deafness so rapidly and so nearly complete. In the course of a few weeks a girl previously hearing well will, without pain or known cause, become unable to distinguish words." In one of Dalby's cases total deafness came on in three weeks, previous to which hearing was normal. According to Pierce, the deafness is most apt to manifest itself between eleven and eighteen years of age. Troeltsch says that "l'audition du diapason par le vertex" is lost at an early date after the beginning of the disease, and that there are also often concomitant affections of the nose and pharynx.

Dalby⁹³ is said to regard syphilis as, next to scarlatina, the most fruitful cause of deaf-mutism as it occurs in children born with good hearing powers. "The patient usually becomes deaf in early childhood—after he begins to talk—or between this period and puberty."⁹⁴

⁹³ The Lancet, Jan. 22, 1876.

⁹⁴ Bumstead, op. cit., p. 734.

Syphilis of the Liver.—In 1852, Gubler published an account of the general appearances in syphilitic disease of the liver in new-born children, which was distinguished especially by increase in size and weight. This increase depended, as might be expected in this stage—that of general cell-proliferation—upon a proliferation of cells from the connective tissue between the acini, or from the adventitia of the interlobular vessels, this growth becoming transformed into connective tissue.⁹⁵ The change is quite analogous to what is taking place at the same time in the skin, the mucous membranes, and other tissues. Wilks has also described⁹⁶ a form of syphilitic disease of the liver which corresponds to that of Gubler, and in which the whole organ is infiltrated by a new fibrous tissue, producing a uniform and general hardening.

⁹⁵ Bäumler, op. cit., p. 186.

⁹⁶ Trans. Path. Soc., vol. xvii., 1866.

As described by Gubler,⁹⁷ the liver in such children is hypertrophied; hard, resistant to pressure, so that it cannot be indented; elastic, so that it rebounds; creaks, but does not bleed, when it is cut into, and presents the yellow color and the semi-transparence of flint. There are seen on a yellowish ground a number of small white granulations like grains of wheat, which a histological examination shows to be formed by an accumulation of embryonic cells in the spaces which separate the hepatic acini. Injections reveal the fact that the vascular network has become almost impenetrable, the capillaries obliterated, the larger vessels diminished in calibre. Fibro-plastic matter is found throughout the organ in large quantity. In consequence of these conditions—the compression of the hepatic cells and the destruction of the vessels—the secretion of bile is stopped, and the gall-bladder is found after death to contain a pale-yellow liquid consisting of bile mixed with an excess of mucus. This form of hepatitis has thus far been observed almost exclusively in infants. Cornil says⁹⁸ that he has had frequent occasion to examine such cases of hepatic syphilis, and describes them as follows: "The hepatic acini, in the normal state, are in contact except at the prismatic spaces which are formed by their union—spaces in which the capsule of Glisson forms an envelope to the afferent portal vessels of the lobuli. It is in these spaces that the round lymph-cells form and collect into small nodules representing microscopic gummata. The cells at the centre of the new formation are sometimes granular. This neoplasm is seated about the ramifications of the portal veins, which in consequence also present thickened walls with newly-formed cells in their external tissues. The small granules above mentioned are not always visible to the naked eye, and in their places are only seen, about the perilobular capillaries of the portal vein, an excessive number of embryonic cells." In addition to this interstitial sclerosis or interstitial infiltrating hepatitis there is an inflammation of the liver depending upon the presence of gummata—gummous hepatitis—which occurs in two forms: one in which very small and very numerous nodules are present, situated along the course of the fibrous seams, the prolongation of the capsule, and another in which there are two or three large circumscribed tumors. This form of hepatitis is always accompanied by the interstitial form, although the latter may be only slightly developed.⁹⁹ The gummata, though not infrequently found in the liver of new-born children, are more likely to develop later, at from about the eighth to the twelfth year.

⁹⁷ Mémoires sur une nouvelle Affection de Foie, and Gaz. Méd. de Paris, 1852.

⁹⁸ Op. cit., Am. ed., p. 370.

⁹⁹ It does not differ essentially, either pathologically or clinically, from the same lesion in adults.

Rochebonne¹⁰⁰ describes the following symptoms of syphilitic hepatitis in infants: A deep wine-colored venous stain and oedema of the lower extremities, often accompanied by pemphigus; ascites due to mechanical obstruction of the circulation, as in cirrhosis; a more or less pronounced chloro-anæmic appearance of the face; and the presence in the urine of albumen and hæmato-globulin. Vomiting may occur, and constipation alternating with diarrhoea has been observed. Icterus, symptomatic of the affection, has not been observed.

¹⁰⁰ Quoted by Bumstead and Taylor, p. 758.

Bäumler says:¹⁰¹ Implication of the peritoneal coating of the liver may be recognized by the pain in the hepatic region. In new-born children—unless, possibly, there may be some enlargement of the liver—the only local symptoms, often, are those due to peritonitis—screaming, drawing up of the legs, vomiting. In those cases it is not rare for the peritonitis to become diffuse.¹⁰²

¹⁰¹ Op. cit., p. 194.

¹⁰² In an article on "Inherited Syphilis" in the British and For. Medico-Chirurgical Review, 1875, p. 28, it is said: "Of the liver the lesion consists in enlargement and induration of the organ in whole or in part, due to the development of fibro-plastic material between the cells of the acini, with obliteration of the vessels and interference with the secretion of bile. This condition is generally doubtful during uterine life, and is rapidly fatal. The symptoms are vomiting, diarrhoea, and tympanitis, but, strange to say, no jaundice. The enlarged and indurated organ may be felt by palpation. It is probably in this connection that the peritonitis described by Simpson as occurring in inherited syphilis is found."

Hill says:¹⁰³ "The symptoms are mainly those of functional derangement of the organ, with alteration of its bulk."

¹⁰³ Op. cit., p. 163.

Hutchinson¹⁰⁴ has described cases in which in young persons the subjects of hereditary syphilis there has been great hepatic enlargement which has subsequently wholly disappeared. He finds it difficult to believe that there is any kind of gummous growth in such cases, and feels obliged rather to fall back upon the hypothesis of mere vascular turgescence. In one such case the liver occasionally was so large as to be visible as the patient lay on his back in bed.¹⁰⁵

¹⁰⁴ Path. Transactions, 1877, p. 309.

¹⁰⁵ Illustrative cases of this condition may be found in the Med. Times and Gazette, Dec. 22, 1877.

It seems much more likely that the enlargement is due to an exceptionally active cell-proliferation, which does not, however, go on to organization, but may be just as susceptible of absorption and resolution as are the papules or maculæ of the skin. A portion of the enlargement may be due to a passive congestion caused by the presence of this cell-accumulation.¹⁰⁶

¹⁰⁶ Barlow (Path. Trans., 1877, p. 355) has suggested that the engorgement is only a preliminary stage of the fibrous thickening, and may disappear either with or without leaving permanent contractions or adhesions in its wake.

As to the diagnosis of hepatic syphilis in infants, I am disposed to agree with Cornil, who says:¹⁰⁷ "The symptoms are null, or they are identical with those of local and general troubles so often observed in children who have poor or insufficient nourishment. The only physical sign which properly belongs to hepatic syphilis is, when it exists at all, increase in the size of the liver."

¹⁰⁷ Op. cit.

Syphilis of the Bones.—Until the publication in 1870 of the researches of S. Wegner,¹⁰⁸ an assistant of Prof. Virchow, diseases of the osseous system due to hereditary syphilis were either ignored or denied by the various writers upon this subject.¹⁰⁹ Valleix, Bargione, Ranvier, and Guéniot had indeed recorded cases of bone disease occurring at the points of junction between the epiphyses and diaphyses and in the costal cartilages, but it remained for Wegner first fully to describe the pathological changes which occurred there, and to differentiate them from those due to rickets or scrofula. His memoirs recognized three stages of alteration in the long bones:¹¹⁰ 1st. While in the normal state the boundary of the hyaline cartilage is distinctly marked by a line which indicates the direct transformation of the cartilaginous tissue into a spongy tissue, the unaided eye being unable to distinguish a spongio-calcareous layer, in new-born syphilitic children, on the contrary, the bones are seen to have a spongio-calcareous layer interposed between the bone and cartilage, measuring two millimeters in thickness. This is a zone of calcifying cartilaginous material more extensive than in the normal state. 2d. These same changes become more distinct and more extensive. The unnaturally thick layer of calcareous material continues to grow. There is proliferation of the cartilaginous trabeculæ, abundant calcification of the cartilage, too early and irregular ossification of the intercellular substance of the cartilage, and at the same time an arrest of the normal formation of bone which should be going on from the epiphysial cartilage. 3d. There is now added, by extension of these processes, a thickening of the perichondrium and periosteum at the extremities of the long bones and at the junction of the ribs with the costal cartilages. In consequence of the interference with nutrition occasioned by these changes atrophy and fatty degeneration of the cartilage-cells occur, and they form between the epiphysis and diaphysis a necrosed mass which irritates the living bone. This causes osteo-myelitis, which frequently results in a separation of the epiphyses. Occasionally pus is produced in such quantity as to perforate the periosteum, escape into the surrounding tissues, and become superficial. He terms the entire process an osteo-chondritis.

¹⁰⁸ Virchow's Archiv, 1870, B. 50, S. 305: "Ueber hereditäre knochen Syphilis bei jungen Kindern."

¹⁰⁹ Diday says: "Affections of the bones are so rare in children with inherited syphilis that the annals of medicine scarcely offer five or six well-authenticated cases of caries or periostitis" (op. cit., p. 83). Referring to this statement, Mr. Hutchinson remarks: "So different has been my own experience from this that I may say that we are scarcely ever without a severe example of it in the wards of the London Hospital" (Illustrations of Clinical Surgery, London, 1875, p. 47).

¹¹⁰ Cornil, op. cit., p. 282 et seq.

Waldeyer and Köhner,¹¹¹ after examining twelve cases, confirm in the main these investigations of Wegner, but interpret the changes as arising rather from the formation of a gummous tissue between the epiphysis and diaphysis than from an osteo-chondritis. The tissue-death which occurs later, the atrophy of the cells, etc., they compare with the same modifications observed in syphilomata.

¹¹¹ "Beiträge zur Kenntwiss der hereditäre knochen Syphilis," Virchow's Archiv, B. 55, S. 367.

Parrot¹¹² in a number of exceedingly valuable papers has repeated and greatly extended these observations. He places especial importance upon the formation of osteophytes, which, he says, in the first stage envelop the diaphyses of the long bones, especially at their inferior extremities. In the succeeding stage the new bony layers are more porous; a gelatinous degeneration affects the epiphysial cartilage and the spongy bones at a point where they are in contact; the epiphyses tend to separate from the diaphyses. This solution of continuity results in a characteristic pseudo-paralysis, with curvatures, abnormal twistings, and preternatural mobility of the bones, with loss of the power of locomotion. Then the osteophytes increase in size by the formation of several layers, thus enlarging the inferior extremities of the long bones. He describes the general process as consisting, first, of a periosteo-genesis—a formation of osseous tissue from the periosteum; next of a chondro-calcosis—a calcareous incrustation of cartilage; and finally of a gelatiniform degeneration and softening of the bone, with diaphyso-epiphysial disjunction.¹¹³

¹¹² Société de Biologie, June 1, 1872; Société anatomique, 1873, p. 92; Archives de Physiologie, 1876, vol. iii. pp. 138, 139; Revue mensuelle de Médecine et de Chirurgie, 1877; Pathological Trans., 1871, vol. xxx. p. 339, etc., etc.

¹¹³ Cornil (op. cit.) coincides in the main with this description.

Taylor¹¹⁴ sums up the results of his observations as follows: "In the first stage we have a simple hyperplasia of cells with irregular deposition of lime salts; in the second, an intensification of this condition; and in the third, a new element—namely, the abnormal proliferation of all the elements of the tissues, with an infiltration of granulation-tissue into the medullary spaces following the vessels."¹¹⁵

¹¹⁴ Syphilitic Lesions of the Osseous System in Infants and Young Children, New York, 1875, p. 134.

¹¹⁵ Verraguth (Archiv für Path. Anat.) describes the first step as an excessive formation of vessels in the cartilage and a corresponding overgrowth of the cellular elements. This becomes inflammatory, and constitutes a primary syphilitic chondritis, the changes in the medulla of the bone being degenerative and secondary to the affection of the cartilage. Still other observers have described the process, each with minor modifications; but as they are of no clinical importance, it does not seem worth while to quote them.

We see, then, that, setting aside minor points of difference, these observers all coincide in describing this condition as one essentially of the nature of syphilitic bone troubles with which we are familiar in the acquired form of the disease, consisting primarily and throughout of an unnatural accumulation of cell-elements, which in the later stages by their pressure produce various degenerations of surrounding structures, and which, as they occur during the process of bone-formation, are accompanied by irregular and abnormal deposition of lime salts. They especially affect the regions mentioned—the junctions of the epiphyses and diaphyses—because at that time those points are the seat of great physiological activity. Syphilis, indeed, throughout its entire course is notably subject to similar influences, as one example of which I may instance the preference displayed by the periostitis which results in nodes or in caries for the subcutaneous bones, the tibia, clavicle, cranium, etc.; or, in other words, for those which are subject to frequent traumatisms—trifling, perhaps, but sufficient to determine a slight hyperæmia, which is followed by abnormal cell-proliferation or accumulation.

The symptoms which obtain in this condition of syphilitic osteo-chondritis are as follows: The child may be attacked during intra-uterine life, and in that event the osseous lesions will probably be coincident with other syphilomata and with placental disease of sufficient gravity to destroy life.¹¹⁶ If the child is born alive, the first development of the disease will probably be noticed as a swelling at the diaphyso-epiphysial junction of one of the long bones, which in the emaciated subjects of hereditary syphilis is often visible, and can always be discovered by palpation. The bones most frequently attacked are the humerus, radius and ulna, tibia and femur, but the clavicle, ribs, sternum, and bones of the metatarsus and metacarpus are also often involved, and much more rarely the frontal and parietal. The more pronounced the syphilis of the parents, or the nearer the date of conception to the time at which their infection occurred, the more probable is it that several bones will be affected, and the more unfavorable the prognosis as respects the life of the child. Indeed, it has been noticed that "in stillborn infants and in those dying soon after birth the majority, or even all, of the long bones are affected."¹¹⁷

¹¹⁶ Pollnow found osteo-chondritis in 35 out of 50 syphilitic foetuses (Der Hydrops Sanguinolentes foetus, Berlin, 1874, quoted by Hill and Cooper, op. cit., p. 352).

¹¹⁷ Bumstead and Taylor, op. cit., p. 767.

The swelling is found to consist of a ring or collar which more or less completely surrounds the bone, is apt to be smooth rather than irregular, and when two bones situated near to each other are simultaneously affected may conjoin them. This condition persists during the first stage of pathologists, and passes with greater or less rapidity into the second stage, in which the swelling, the cell-proliferation, reaches its height. This may take, in cases uninfluenced by treatment, several weeks or even months. Under the use of mercurials and iodide of potassium they usually subside rapidly. During this second stage, however, owing to the proximity of the swellings to the joints, a moderate amount of synovitis is often present. This affects chiefly the elbow and the knee, but may appear in any joint. It is also readily influenced by specific treatment and well-regulated pressure.

When the third stage is reached, or that of the formation of granulation-tissue, with degenerative changes of the cartilages and of the bones themselves, deformity often becomes more marked. There are unnatural curves or angles in the bones, with more or less complete separation at the point of junction. Where many bones are affected in this way, the resulting deformity is extreme and the patient may be absolutely powerless, a condition of pseudo-paralysis supervening in which the limbs lie motionless or swing about like the arms or legs of a doll when the child is carried.

When the swelling does not undergo absorption, the superjacent tissues sometimes become involved, abscesses form and make their appearance externally, extensive necrosis of the shaft of the affected bone takes place, and the little patient usually dies of hectic, pyæmia, or exhaustion. When the cranial bones are involved, the disease is apt to limit itself chiefly to the stage of osteophytic formation, the immovability of the bones probably favoring the organization of the new cell-growth rather than the production in it of inflammatory changes. The growths are met with chiefly in older children than those affected with the form of osteo-chondritis just described; they affect the periphery of the liver, and are found most usually around the anterior fontanel, and later on the parietal and frontal eminences. The sutures are sometimes completely soldered together.¹¹⁸ The osteophytes vary in thickness from a quarter of an inch to an inch, or are even larger.¹¹⁹

¹¹⁸ In a case reported by Barlow it was not possible at the autopsy to discover the point of union (Path. Transactions, 1879, p. 339).

¹¹⁹ These conditions may all result in a child the subject of acquired syphilis, but are apt to be milder, to involve fewer bones, and to yield more readily to treatment. This would of course be expected, inasmuch as the same difference in favor of the acquired form, as compared with that which is inherited, extends to all the lesions. As Diday succinctly expresses it: "In the one case the poison vitiates only the elements of nutrition; in the other it vitiates at the same time those of formation and those of nutrition." It would exceed the limits of the present article to describe acquired syphilis in children.

The most important differential diagnosis to be made in these cases is between the rachitis of young children and the form of syphilis in question. Much difference of opinion still exists as to the relation between these diseases, syphilis being claimed, on the one hand, as having in the majority of cases a definite causative influence, while, on the other, the existence of this relation is denied. When we come to contrast the pathology of the two diseases, we can readily understand why they should be confounded, the minuter changes which occur being essentially the same—viz. cell-proliferation and accumulation, with subsequent inflammatory changes, associated with irregular deposits of lime salts.

Compare, for example, the description of the pathology of bone diseases in inherited syphilis already given (pp. 287, 288) with the following terse summary of the changes which take place in rickets in cases where no suspicion of syphilis exists, either ancestral or acquired: "The changes are more distinctly noticed at the epiphyses than in the diaphyses. Instead of the regular stages and distinct boundaries observed in the normal development of bone, there is a singular disorderly commingling of the exaggerated cartilage-proliferation and transition substance, with calcification. The cartilage-cells, stimulated to excessive multiplication, are transformed, some into bone-corpuscles, some into medullary cells, and others into connective-tissue forms. The same process is in active operation in the deep periosteal layers, the material accumulating to such a degree as to add much to the thickness of the shaft."¹²⁰

¹²⁰ Agnew's Surgery, vol. i. p. 1030.

The points of resemblance are manifest, just as they are between a syphilitic and a variolous pustule, but they end in both cases when we come to study the evolution of the phenomena either from an anatomical or from a clinical standpoint. They may be expressed as follows in tabular form:

¹²¹ See p. 313.

¹²² This table is founded on one which I added to the translation of Cornil made by Dr. Simes and myself, and is compiled chiefly from the excellent work of Dr. Taylor already alluded to.

The diagnosis of the bone lesions of hereditary exostosis can readily be recognized in a short time by noting the fact that they are stationary, even if their later appearance, larger size, the absence of syphilitic history or symptoms, and the resistance to specific treatment left us in doubt.

The diagnosis from accidental separation of the epiphysis, or from fractures, may be made from the history of the case.

In cases of separation of the epiphysis, complicated with suppuration, sinuses, etc., the trouble may be mistaken for a similar condition due to non-specific inflammation. In all the recorded instances, however, the latter has occurred much later in life, is attended with much more acute inflammatory symptoms, lymphangitis, etc., and is of course without concomitant symptoms of syphilis. In both these cases there is a decided osteo-periostitis, and as so much depends on the early and vigorous use of specific treatment, it may be worth while to contrast the two forms of the disease.

¹²³ Cornil, op. cit., p. 274.

Syphilitic dactylitis in the inherited variety of the disease, as in the acquired, consists of two varieties. The one of these which usually appears earlier involves chiefly the periosteum and the fibrous and integumentary structures surrounding a joint, usually a metacarpo- or metatarso-phalangeal articulation, involving a phalanx, and is characterized by slow, almost painless, swelling and discoloration of the affected member. (Fig. 9.) This is due to a gummous infiltration which, after absorption under proper treatment, leaves the toe or finger temporarily stiff, but not permanently disabled.

The second form is a specific osteo-myelitis, with periostitis, coming on later, and often destroying the bone or the articulation involved. (Fig. 10.)