By Gary M. White, MD
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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