The more persistent inflammatory lesions of the skin, such as eczema and psoriasis, which are characterized by long-continued hyperæmia with hyperplasia, are now recognized as among the possible transformations of gout. They are certainly often observed alternating with arthritic lesions, and associated with all the characteristic derangements of nutrition which belong to the gouty habit. The frequency of the various forms of acne, the inflammatory, as well as those which result from excessive function of the glands, in persons having a strong gouty inheritance, is recognized by many dermatologists. I have noticed these lesions especially in young women belonging to gouty families. They are generally accompanied by marked dyspeptic symptoms, and not infrequently by neurotic derangements.
Garrod, in a paper read at the International Medical Congress in 1881 on "Eczema and Albuminuria in Relation to Gout," affirms that each year strengthens his conviction that gout and eczema are most closely allied. Since his attention was first called to this relation in 1860, he has found a gradually increasing percentage of eczema in the cases of gout that have come under his observation. Dividing all the cases from 1860 to 1881 into ten groups, he found the percentage rose from 10 in the first group to 47 in the tenth. He accounts for this rapid increase in the percentage in the fact that in the first few years the eczema was only observed when it was very patent; during the past two or three years he has had made more careful inquiries as to the presence of eczema or other skin eruption in every case of gout, and by these means has frequently discovered its presence when it might otherwise have been overlooked. Garrod believes that eczema is the special skin-lesion of gouty subjects, and does not regard psoriasis as having anything more than an accidental connection with gout. He admits that the latter is often associated with rheumatoid arthritis. It must be remembered, however, that Garrod does not admit that gout ever exists without lithatic deposits.
In regard to the location of gouty eczema, it appears to affect by preference the more tender and vascular regions of the skin. The eyelids, ears, the scalp, and back of the neck, the fingers and toes, particularly the dorsal and lateral surfaces, and in old people the legs, are especially liable to be attacked. The subjective symptoms of gouty eczema are often the source of great suffering; the burning and itching are sometimes intolerable. This is especially true of persons of highly neurotic constitution.
It is not possible to affirm that there are lesions of the mucous membranes which are strictly analogous in their transient character to the erythematous affections of the skin, but it is not unreasonable to suppose that many of the temporary disturbances of indigestion to which gouty patients are subject are caused by an evanescent hyperæmia corresponding to the vaso-motor derangements which are observed in the external integument. In regard, however, to the more persistent catarrhal lesions, there can be no question as to their analogy with those which affect the skin. The continuity of these lesions at the orifices of the mucous tracts, and the frequent association of external eczemas with catarrhs of mucous membranes, are facts of common experience. Greenhow8 of London first called attention to the frequency with which chronic bronchitis is associated with the gouty dyscrasia. In an analysis of 96 cases of chronic bronchitis he elicited the fact that in 34 out of the 96 a distinct gouty history attached either to the patients themselves or to some of their immediate relatives. In 14 of the cases the patients were subject to attacks of acute regular gout as well as to bronchitis. He also noted the association in a number of cases of bronchitis and psoriasis with gravel and gout. My own experience confirms these observations, and also the alternations of catarrhal and parenchymatous tonsillitis, of pharyngeal and laryngeal catarrh, and of asthma and chronic bronchitis, with the more common manifestations of regular and irregular gout.
8 On Chronic Bronchitis, E. Headlam Greenhow, M.D., London, 1869.
The occurrence of subacute gastro-duodenal and intestinal catarrhs with hemorrhoidal complications is even more common that the catarrhal affections of the respiratory tract. The lesion, in fact, which gives rise to the manifold dyspeptic symptoms in gouty subjects is doubtless a catarrhal one.
The genito-urinary tract exhibits also the tendency to catarrhal affections in sufferers from the gouty dyscrasia. It is certain that gouty persons are especially liable to vesical catarrh, and it is generally admitted that rheumatic and gouty persons are particularly susceptible to gonorrhoea. My own experience leads me to suspect that chronic urethral discharge resulting from acute urethritis is more common in rheumatic persons than in those not having this taint. The etiological relations of gonorrhoeal rheumatism and kerato-iritis are still involved in obscurity, though I am inclined to believe that a careful examination of the personal and family history in cases of these diseases would establish the opinion that has been maintained as to their gouty origin.
The presence of albumen in the urine of persons suffering from acute gout is occasionally observed. Under these circumstances it is transient, and has probably no more significance than is usually attached to this symptom in the course of any acute febrile disease. In chronic gout it is by no means infrequently observed as a more or less persistent symptom. It is associated under these circumstances with a copious discharge of urine of pale color and low density, and with the general signs of what Rayer first described as the néphrite goutteuse.
The importance of this symptom is very great when we consider the insidious development of this form of disease and the difficulty of its early diagnosis. Recent investigations point to the value of the changes in the urine in the progress of the gouty dyscrasia as bearing upon this question. It has already been noted that in the early history of gouty persons the urine is often scanty, high-colored, excessively acid, of high specific gravity, occasionally albuminous and saccharine, and frequently depositing sediments of urates and calcium oxalate. McBride of New York9 has recently called attention to this condition of the urine and its association with high arterial tension as the functional stage of the granular kidney—as the stage, that is to say, during which the necessity of eliminating large amounts of imperfectly oxidized nitrogenous material maintains a constant state of renal hyperæmia, which finally induces the changes in the tubular and intertubular structures which constitute the anatomical features of this form of disease.
9 The Early Diagnosis of Chronic Bright's Disease, T. A. McBride, M.D., New York, 1882.