title: Leiomyoma of the tunica vaginalis in a dog.
abstract: A benign neoplasm of smooth muscle origin was found in the tunica vaginalis testis of a 13-year-old male Miniature Poodle. The leiomyoma had caused hydrocele and atrophy of the corresponding testis. It consisted of bundles of interwoven smooth muscle cells with elongated nuclei and areas of hyalinization.
mesh_terms: D000818:Animals; D001284:Atrophy; D004283:Dog Diseases / Q000473:pathology; D004285:Dogs; D007889:Leiomyoma / Q000473:pathology / Q000662:veterinary*; D008297:Male; D006848:Testicular Hydrocele / Q000473:pathology / Q000662:veterinary; D013736:Testicular Neoplasms / Q000473:pathology / Q000662:veterinary*; D013737:Testis / Q000473:pathology