Abrikossoff tumor: rare dermatosis in a case with epidemiological and therapeutic specificities

Carolina D. Cruz, Dermatology Department, Mogi das Cruzes University, Mogi das Cruzes, SP, Brazil Elizabeth L. Fernandes, Dermoscopy Deparment, UNITAU, Taubaté, SP, Brazil Sergio F. de S. Cunha, Dermatology Department, Mogi das Cruzes University, Mogi das Cruzes, SP, Brazil Adriana R. Beltrão, Dermatology Department, Mogi das Cruzes University, Mogi das Cruzes, SP, Brazil André C.A.F. Pessanha, Dermatology Department, Mogi das Cruzes University, Mogi das Cruzes, SP, Brazil

Granular cell tumor is a rare benign neoplasm, which preferentially affects the oral cavity, more common in adults and rare in children. This report is about a 9-year-old patient with a painful periungual nodule of the fifth finger of the right hand, with two years of evolution. The anatomopathological examination revealed an Abrikossoff tumor, without bone involvement on X-ray and positive markers on immunohistochemistry. Due to the location of the lesion, Mohs micrographic surgery was chosen in order to have greater tissue preservation and local functionality. There was no recurrence of the tumor, with resolutive surgery and satisfactory aesthetic results.

Keywords: Mohs surgery. Granular cell tumor. S100 proteins. Abrikossoff tumor.