Martín Sangüeza2026-03-222026-03-22200910.1590/s0365-05962009000300009https://doi.org/10.1590/s0365-05962009000300009https://andeanlibrary.org/handle/123456789/62514It is a case of fast growth tumor lesion on the posterior region of the right arm of a 37-year-old female patient. Dermatopathological and immunohistochemical characteristics are discussed to support the definite diagnosis.esMedicineGynecologyarticle