By Gary M. White, MD

Pseudoainhum Circumferential contraction of the 5th finger in Vohwinkel's syndrome. Courtesy of Michael O. Murphy, MD.

Pseudoainhum is a term that describes a variety of conditions that mimic ainhum.


Circumferential constriction of a digit (finger or toe) may occur in a variety of disorders including many of the keratodermas, leprosy, erythropoietic protoporphyria, Olmsted Syndrome, Vohwinkel syndrome, porokeratosis of Mibelli [Cutis 1992;49;129], and from strangulation by hair or string.


Consultation with a plastic surgeon may be helpful.


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