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Article
August 1921

SYNOVIAL LESIONS OF THE SKIN

Arch Derm Syphilol. 1921;4(2):162-168. doi:10.1001/archderm.1921.02350210023003
Abstract

Attention was first called to synovial lesions of the skin by Hyde1 in 1883. More recently the subject has been discussed by Lingenfelter,2 Ormsby,3 and Sutton.4

Synovial lesions of the skin occur over the dorsal aspects of the interphalangeal, metacarpo-phalangeal and metatarso-phalangeal articulations. The most frequent situation is over the dorsum of the articulation between the distal and adjacent phalanges of the index finger and thumb.

There is usually a history, extending at least over several months, of the appearance in one of these situations of a small, globular projection from the skin, which is insensitive unless roughly handled, and which slowly develops to the size of a large pea. When punctured a syrupy, whitish, yellowish or brownish, fluid exudes, occasionally mingled with masses like sago grains. As the lesion develops, it ordinarily assumes the appearance of a vesicle or bulla; some lesions have only an

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