ANYYUM (Africa. ainhum; synonym: ayngum, spontaneous dactylolysis) — the rare, insufficiently studied disease of the person which is followed by spontaneous amputation usually of the V fingers of feet, fingers of hands. Under the name «anyyum» for the first time described a disease and in 1867 da Silva Lima (da Silva Lima) allocated in independent nosological unit. Sporadic incidence is registered in the tropical countries; men are ill preferential. In the USSR isolated cases are described.
Etiology and epidemiology And. are not studied, but most of researchers considers it as a disease of the noninfectious nature.
Disturbance of a trophicity, apparently, happens owing to vegetativnonervny and endocrine frustration. It is confirmed by a frequent combination And. with a scleroderma (see) and a keratodermia (see. Keratoza ). The disease begins with emergence of a furrow on a lower internal fold of the V fingers of feet, the IV fingers of feet and a brush are surprised less often. The disease lasts for years. A furrow, gradually going deep, covers all finger in the form of a sclerous thermal ring, there are degenerative changes of tissues of finger and ossifluence of average and partially proximal phalanxes. Swelling of a finger is sometimes noted; pain is not characteristic.
Treatment — early amputation. Prevention is not developed.
Bibliography: Borschevsky V. L. and Geller A. L. K to a question of an anyoma (ainhum), Vestie, dermas, and veins., No. 7, page 62, 1960, bibliogr.; Sokolin A. I. Anyyum (ainhum), Mnogotomn. the management on mikrobiol., wedge, and epidemiol, in-fekts. diseases, under the editorship of H. N. Zhukova-Verezhnikov, t. 10, page 497, M., 1966; Arsov D., Kri vine J. M. et Kahn M. F. Une maladie peu connue, 1’ainhum, Rhumatologie, t. 22, p. 1, 1970, bibliogr.
V. V. Maleev.