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There are commonly observed in medicine manifestations of morbid processes which are deemed so trivial as scarcely to warrant description and recording. Such must be the case with the condition here referred to, for in one grade or another it is a most common affection.
Particularly during the warm months of the year, and in persons who perspire on the palms of the hands even in the cold months, there is frequently seen in these regions small rings of desquamation. The process is first observed as a pin-point-sized whitish scaling which, as a result of peripheral extension, produces an annular exfoliation of the superficial horny layers. One or more of these patches may be present. Through spreading of the margin of the peripheral scaling, neighboring rings coalesce, with the production of larger serpiginous patches (see illustration). In this manner an extensive desquamation of the palms may result. The condition is
SCHAMBERG JF. DESQUAMATION FROM SWEATING.. JAMA. 1908;LI(16):1328. doi:10.1001/jama.1908.25410160038002c