File:An American text-book of genito-urinary diseases, syphilis and diseases of the skin (1898) (14782746425).jpg

Identifier: americantextbook00bang (find matches)
Title: An American text-book of genito-urinary diseases, syphilis and diseases of the skin
Year: 1898 (1890s)
Authors: Bangs, Lemuel Bolton, 1842-1914 Hardaway, W. A. (William Augustus), 1850-1923
Subjects: Urogenital System Urination Disorders Syphilis Skin Diseases
Publisher: Philadelphia, W. B. Saunders
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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ic, not only in the course of the lesions themselves, but stillmore so in its tendency to frequent remissions and relapses, often extendingthroughout life. Symptoms.—Psoriasis is essentially a disease of the skin, affecting noother organ of the body, and, as a rule, leaving the general health un-impaired. It has been called a disease of the healthy, but in reality,besides the strong and robust psoriatics, many weak, anemic, and poorlydeveloped ones will be found. Fever of a moderate degree occasionally accompanies more acute out-breaks. Itching is often present, but never with such intensity as in eczemaand similar skin-diseases. It is more prominent, either where the lesionsdevelop very rapidly and over a large area, or in chronic cases where clean-liness and hygienic measures are neglected ; in a considerable proportion it isentirely absent. Some authors insist on the frequent coincidence of psoriasiswith gouty and rheumatic joint-affections, and on the existence of some Plate 17.
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Psoriasis nuuimulata. The scales are comparatively thin and light-colored ; slight accumulationof the patches around the knees. (From the collection of Dr. J. A. Fordyce.) PSORIASIS. 881 definite relations between them. The mucous membranes never participatein the psoriatic process; conditions of the mouth and tongue, described aspsoriasis buccalis or lingualis, have nothing in common with psoriasis of theskin, but rather depend upon other cutaneous or general diseases (syphilis,lichen planus), or appear independently (leukoplakia). The lesions of theskin themselves are of a more uniform and well-defined character than inmost other skin-diseases. Commonly, psoriasis appears in isolated patchesor islands of diseased skin surrounded, or where more numerous separated,by perfectly healthy portions of the skin. Sharp and often slightly raisedoutlines cause them to stand out quite conspicuously. The border of a patchis generally smooth or red, without a congested or inflammatory zone in the

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