Localized primary cutaneous nodular amyloidosis is the rarest form of the cutaneous amyloidosis, which appears as single or multiple nodules on the extremities, trunk, genitalia or face.
A 44-Year-old woman had asymptomatic, translucent brown to pink papules and nodules on the toes for 5 years. Histopathologic examination showed deposition of pale, eosinophilic, amorphous material throughout the dermis. Under the electron
microscope,
the material consisted of straight, nonbranching, nonanastomosing filaments.
We thus made the diagnosis of nodular amyoidosis. (Kor J Dermatol 1993 ; 31 (2) : 241-244)
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