Papillary syringocystadenoma in an uncommon location

Syringocystadenoma papilliferum in the scalp, with a linear presentation

“… 4 It is observed at birth in 50% of cases and in 15%‒30% of them it develops during puberty. 6 , 3 The most reported localization is the head and neck area, up to 75% of the cases and, 40% of them develop in association with a pre-existing nevus sebaceous. There are multiple other anatomical sites of involvement.…”