title: Pitfalls and uncertain prognosis in pathological diagnosis of psammomatous melanotic schwannoma.
abstract: A 20-year-old woman presenting with a pelvic mass identified as a psammomatous melanotic schwannoma (PMS) with atypical histological features was later found to have family history of cardiac myxomas consistent with Carney's complex. The BRAF V600E mutation was absent in the tumor.
authors.affiliation: Department of Pathology and Laboratory Medicine, University of Toronto, 27 King's College Cir, Toronto, ON M5S 1A1, Canada.
authors.forename: Judith
authors.initials: J
authors.lastname: Ng
authors.affiliation: Department of Pathology and Laboratory Medicine, University of Toronto, 27 King's College Cir, Toronto, ON M5S 1A1, Canada; Li Ka Shing Knowledge Institute, Toronto, ON, Canada; Department of Laboratory Medicine, St. Michael's Hospital, Toronto, ON, Canada. Electronic address: MunozD@smh.ca.
authors.forename: David G
authors.initials: DG
authors.lastname: Munoz
mesh_terms: D005192:Family Health; D005260:Female; D006801:Humans; D009154:Mutation; D009232:Myxoma / Q000175:diagnosis; D009442:Neurilemmoma / Q000175:diagnosis* / Q000235:genetics / Q000473:pathology*; D017600:Neuroectodermal Tumor, Melanotic / Q000175:diagnosis* / Q000235:genetics / Q000473:pathology*; D011379:Prognosis; D048493:Proto-Oncogene Proteins B-raf / Q000235:genetics; D055815:Young Adult
chemical_list: C482119:BRAF protein, human; D048493:Proto-Oncogene Proteins B-raf
keywords: Cardiac myxomas; Carney’s complex; Psammomatous melanotic schwannoma