title: Spontaneous extragonadal teratocarcinoma in a mouse.
abstract: A spontaneous extragonadal teratocarcinoma was detected in a 7.5-month-old multiparous mouse. The tumor was composed of a disorganized mixture of tissues in various stages of maturation. Neural tissue and cartilage were abundant. The tumor also contained embryoid bodies and numerous foci of embryonal carcinoma cells.
mesh_terms: D000818:Animals; D005260:Female; D008099:Liver / Q000473:pathology; D008113:Liver Neoplasms / Q000473:pathology / Q000662:veterinary*; D051379:Mice; D012376:Rodent Diseases / Q000473:pathology*; D013724:Teratoma / Q000473:pathology / Q000662:veterinary*