File:Tri-State medical journal and practitioner (1897) (14776037454).jpg

Identifier: tristatemedicalj4189unse (find matches)
Title: Tri-State medical journal and practitioner
Year: 1897 (1890s)
Authors:
Subjects: Medicine
Publisher: St. Louis : (s.n.)
Contributing Library: The College of Physicians of Philadelphia Historical Medical Library
Digitizing Sponsor: The College of Physicians of Philadelphia and the National Endowment for the Humanities

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ac-quired. And, when we consider the fact that young mice with tender skinsare bred in infected nests, we can easily explain the fact that favus is anendemic disease in this variety of rodents. Again, it is well known thatthey herd together and any which might have escaped the contagion veryrapidly succumb to it and, in their turn, exhibit the disease upon theirskins. But it is our purpose to consider favus in the human, and sufficienthas been said in regard to it in its occurrence in animals to give a fair ideaof the reason of its prevalence in them, and to account for its easy trans-missibility to children and adults. Favus—Ohmann-Dumesnil. 305 Favus in its inceptive stage should be easily recognized from thepeculiar form of the lesions which it presents. These are yellowgodeys or cups with raised borders bearing a strong resemblance to awatch-glass in form, the so-called scutula. They are but a sixteenth ofan) inch in diameter, or thereabouts, and increase rather rapidly in size.
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Fig. i. Favus of the Body. Before a scutulum appears a reddish macule is observed, and this presentsa somewhat fine scaly appearance. It is at this site that a cup appears andthat a certain amount of itching is experienced. The color of the lesionis a sulphur-yellow at first, but it soon assumes a dirty-yellowish tinge from 306 Original Articles. the foreign material which adheres to it. It is quite adherent to the skinon account of a certain amount of the horny layer of the skin forming alap over its edges. When separated it is found to be quite friable, and is,in great part, composed of the vegetable parasite which causes the disease.The distribution of the lesions is discrete at first, but it is not unusual forthe scutula to form one mass, simulating a dirty crust and having a tendencyto become quite thick and friable. The distribution of the disease ispeculiar in one respect. It may be either limited to the scalp or it mayoccur upon the scalp and body. It is rarely limited to the

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