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Cutaneous manifestations of familial amyloidotic polyneuropathy.

Rocha N, Velho G, Horta M, Martins A, Massa A

Dermatology, Hospital Geral st. Antonio, sa, Porto--Portugal. derma@chvng.min_saude.pt

Familial amyloidotic polyneuropathy is an autosomal dominant amyloidosis, characterized by the systemic deposition of amyloid with a particular involvement of the peripheral nerves. The disease generally manifests as a severe sensory, motor and autonomic neuropathy. Cardiomyopathy, nephropathy, vitreous opacities and carpal tunnel syndrome may occur in a variable association with the neuropathy. Trophic dermatological lesions are frequent in the more advanced stages of the disease. We examined the skin of 142 patients. The cutaneous manifestations more frequently observed were: xerosis (81.6%), seborrheic dermatitis (21.8%), traumatic and burn lesions (19.7%), acne (18.3%), neurotrophic ulcers (14%) and onychomycosis (10.5%). Among the hepatic transplanted patients (31%), seborrheic dermatitis and acne were the most frequent diagnoses.

Published 16 September 2005 in J Eur Acad Dermatol Venereol, 19(5): 605-7.
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