title: Trichoblastoma: management of a rare skin lesion.
abstract: A 15-year-old girl presented with a 2-year history of an enlarging parietal scalp lesion. Excisional biopsy revealed trichoblastoma, a benign secondary tumor arising from a nevus sebaceous. There is no consensus in the literature about the surgical management of nevus sebaceous in children owing to the low incidence of secondary malignancy. There is a 20% lifetime risk of transformation to a soft tissue neoplasm, most of which are benign; but malignant neoplasms have also been reported. At minimum, these lesions need to be followed clinically over the patient's lifetime if left in situ. Recurrence after excision is rare.
authors.affiliation: Department of General Surgery, Section of Pediatric Surgery, Wake Forest Baptist Medical Center, Winston Salem, NC 27157, USA. kzeller@wakehealth.edu
authors.forename: Kristen A
authors.initials: KA
authors.lastname: Zeller
authors.forename: Deborah F
authors.initials: DF
authors.lastname: Billmire
mesh_terms: D000293:Adolescent; D005260:Female; D006258:Head and Neck Neoplasms / Q000473:pathology / Q000601:surgery*; D006801:Humans; D009378:Neoplasms, Multiple Primary / Q000473:pathology / Q000601:surgery*; D009506:Nevus / Q000473:pathology / Q000601:surgery*; D012536:Scalp Dermatoses / Q000473:pathology / Q000601:surgery*; D012878:Skin Neoplasms / Q000473:pathology / Q000601:surgery*