Multinucleate cell angiohistiocytoma (MCAH) was first described by Smith and Wilson- Jones in 1985. It is an uncommon entity but probably underdiagnosed because of lack of recognition by clinicians and pathologists. W...Multinucleate cell angiohistiocytoma (MCAH) was first described by Smith and Wilson- Jones in 1985. It is an uncommon entity but probably underdiagnosed because of lack of recognition by clinicians and pathologists. We report a 47- year- old man with asymptomatic grouped violaceous papules on the dorsum of the hands for 3 years. The histopathological and immunopathological features of ou case revealed characteristics of MCAH similar to the initial description of Smith and Wilson- Jones and other reports.展开更多
文摘Multinucleate cell angiohistiocytoma (MCAH) was first described by Smith and Wilson- Jones in 1985. It is an uncommon entity but probably underdiagnosed because of lack of recognition by clinicians and pathologists. We report a 47- year- old man with asymptomatic grouped violaceous papules on the dorsum of the hands for 3 years. The histopathological and immunopathological features of ou case revealed characteristics of MCAH similar to the initial description of Smith and Wilson- Jones and other reports.