title: Insular carcinoid arising in a mature teratoma of the testis.
mesh_terms: D002276:Carcinoid Tumor / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D011379:Prognosis; D013724:Teratoma / Q000473:pathology*; D013736:Testicular Neoplasms / Q000473:pathology*