A case of smooth muscle hamartoma associated with Becker's nevus / 대한피부과학회지

We report herein a case of smooth muscle hamartoma associated with Beckers nevus in a 5-year-old female. The child presented with a slight.ly brownish. 2 x 3 cm sized, pigmentecl patch with follicular accentuation on the right forearm, witch had been observecl since age of 2. Histopathologic findings showed the epidermal changes most consistent with Becker's nevus and the presence of irregularly arranged hyperplastic smooth muscle hundless in the dermis.