File:An American text-book of genito-urinary diseases, syphilis and diseases of the skin (1898) (14780418344).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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more friable, and finally, fromscratching or some other mechanical disturbance, it is loosened from its bedand falls. A permanently bald cicatrix remains, which is at first reddishand covered with slight moisture or pus if inflammation has supervened ; itsoon, however, becomes white. This goes on for months and years, untilthe scalp is mapped out with irregular bald cicatrices or the entire crownis involved, leaving a hirsute fringe about the margin of the scalp (seePlate 24). It is during this late stage that the eruption presents the atypical appear-ance sometimes spoken of as favus sans favi, or favus without the character-istic cup-shaped scutula. Favus is not infrequently complicated by other diseases, such as eczema,pediculosis capitis, etc. When eczema is present the crusts may becomemixed with pus and other products of inflammation, so that the original dis-ease is often completely masked. In pediculosis the scratching may oblite-1 Eemak : Med. Vereinszeitung, 1840. Plate 24.
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Tinea favosa of scalp aud side of the face, of long standing. TINEA FAVOSA. 1151 rate the form of the scutula; there is also in pediculosis and eczema enlarge-ment of the post-cervical lymphatic glands. Favus is sometimes encountered on the so-called hairless parts of thebody.1 The symptoms do not, however, differ materially from those alreadydetailed. On account of its exposed position the eruption is sooner detectedand a better opportunity is given to observe the erythematous stage. Theringed, erythematous plaques are more pronounced than on the scalp, and attheir periphery minute vesicles are often found. At this stage the disease isreadily mistaken for ringworm. Soon (from ten to fifteen days) at the open-ing of the rudimentary hair-follicles the yellow, sulphur-like grains appear,which develop into true favic cups, merge together, and form concentric ringsand craggy crusts. As on the scalp, the eruption here may be limited to afew scutula or it may involve extensive surfaces. Num

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