Journal List > Ann Dermatol > v.9(4) > 1046937

Park, Chae, Cho, Cho, and Park: A Case of Diffuse Biphasic Cutaneous Amyloidosis

Abstract

We described a case of diffuse biphasic cutaneous amyloidosis, a unique form of localized cutaneous amyloidosis. A 41-year-old man has gradually developed a lichenoid papular and a grouped spotted pigmented macular eruption on the trunk and upper extremities over the past 15 years. Histopathologic examination revealed that amyloid deposits were present in the papillary dermis. It was confirmed by Congo red staining, immunohistochemistry and electron microscopy. There was no evidence of systemic amyloidosis.

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