title: Testicular intratubular origin of choriocarcinoma.
mesh_terms: D000328:Adult; D002822:Choriocarcinoma / Q000473:pathology*; D006801:Humans; D008297:Male; D012671:Seminiferous Tubules / Q000473:pathology*; D013736:Testicular Neoplasms / Q000473:pathology*; D013737:Testis / Q000473:pathology*