title: [Benign teratoma of the retroperitoneum in a child].
mesh_terms: D002648:Child; D006801:Humans; D008297:Male; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis*; D013724:Teratoma / Q000175:diagnosis*
vernacular_title: Benignes Teratom des Retroperitoneums im Kindesalter.