Sajous's analytical cyclopædia of practical medicine . a disease of the hairy system char-acterized by the more or less suddenoccurrence of round or oval circum-scribed bald patches, in rare casescoalescing and producing total bald-ness. SYMPTOMS. — The disease isusually limited to the scalp. Thepatches are circumscribed and round,and vary in size from a coin to thepalm of the hand. The skin issmooth, soft, of a dead-white color,and totally devoid of hair. Occasion-ally the patches are pinkish as aresult of slight hyperemia. The fol-licular openings are contracted andless prominent than in the
Sajous's analytical cyclopædia of practical medicine . a disease of the hairy system char-acterized by the more or less suddenoccurrence of round or oval circum-scribed bald patches, in rare casescoalescing and producing total bald-ness. SYMPTOMS. — The disease isusually limited to the scalp. Thepatches are circumscribed and round,and vary in size from a coin to thepalm of the hand. The skin issmooth, soft, of a dead-white color,and totally devoid of hair. Occasion-ally the patches are pinkish as aresult of slight hyperemia. The fol-licular openings are contracted andless prominent than in the healthyscalp. To the feel the skin is thin, soft,and pliable. In the beginning, thepatches are level or slightly ele- vated, while later they are sometimesslightly depressed. The course of the disease is ex-tremely variable. In some cases thebald patches develop suddenly in thecourse of a few hours. In othercases, the hair loss is gradual, extend-ing over a period of a few da3S orweeks. The areas then spread byperipheral extension until they reach. Alopecia totalis following: an ordinary alopeciaareata. {Schamberg.) a certain size, when they remain sta-tionary. In some cases the entire scalpbecomes denuded of hair, giving tothe patient a most grotesque appear-ance. In extensive cases it is by nomeans rare for the eyebrows and eye-lashes to be lost. In men the beardedregion of the face may be involved,either alone or in conjunction withthe scalp. The duration of the disease varies 552 ALOPECIA AREATA (SCHAMBERG). greatly. Recovery seldom occurs inless than a few months, while manycases last several years. The diseasemay occur at any period of life. Inyoung individuals the hair usuallyreturns sooner or later. In adults,the baldness may persist and proverefractory to all treatment. When regrowth occurs, the patchis first covered by fine, downy, whitish
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmedicine, bookyear190
