title: Testicular teratoma in an equine cryptorchid.
abstract: An abnormal cryptorchid testicle removed from the abdominal cavity of a 4 year old Thoroughbred stallion is described. The abnormal organ conforms to the requirements of Willis (1960) for a teratoma. The difference between these tumours in man and horses is discussed.
mesh_terms: D000818:Animals; D003456:Cryptorchidism / Q000601:surgery / Q000662:veterinary*; D006734:Horse Diseases / Q000601:surgery*; D006736:Horses; D008297:Male; D013724:Teratoma / Q000601:surgery / Q000662:veterinary*; D013736:Testicular Neoplasms / Q000601:surgery / Q000662:veterinary*