title: Giant schwannoma (neurilemmoma).
mesh_terms: D002648:Child; D005260:Female; D006801:Humans; D009442:Neurilemmoma / Q000000981:diagnostic imaging*; D011859:Radiography; D012447:Sacrum / Q000000981:diagnostic imaging; D013125:Spinal Neoplasms / Q000000981:diagnostic imaging*