title: Perianal ependymoma presenting in the neonatal period.
abstract: Extraspinal ependymomas are a rare type of glioma that may arise in the sacrococcygeal region, presenting as a pelvic mass in an infant or child. Ependymoma presenting in the newborn period has not been described previously. Herein we describe a case of a newborn boy who presented with a perianal ependymoma, which was subsequently found to have presacral extension. The major diagnostic challenge this case presented was to rule out the alternative diagnosis of sacrococcygeal teratoma or a developmental malformation/heterotopia.
authors.affiliation: Department of Surgery, I.W.K.-Grace Health Centre, Dalhousie University, Halifax, Nova Scotia, Canada.
authors.forename: E M
authors.initials: EM
authors.lastname: Webber
authors.forename: R B
authors.initials: RB
authors.lastname: Fraser
authors.forename: L
authors.initials: L
authors.lastname: Resch
authors.forename: M
authors.initials: M
authors.lastname: Giacomantonio
mesh_terms: D001005:Anus Neoplasms / Q000473:pathology* / Q000601:surgery / Q000648:ultrastructure; D003937:Diagnosis, Differential; D004806:Ependymoma / Q000473:pathology* / Q000601:surgery / Q000648:ultrastructure; D004814:Epidermal Cyst / Q000473:pathology / Q000601:surgery; D006801:Humans; D007231:Infant, Newborn; D008067:Lipoma / Q000473:pathology / Q000601:surgery; D008297:Male; D010386:Pelvic Neoplasms / Q000473:pathology* / Q000601:surgery / Q000648:ultrastructure; D012445:Sacrococcygeal Region