title: Medulloepithelioma of the ciliary body in the goldfish (Carassius auratus).
abstract: A medulloepithelioma of the ciliary body in the right eye of a 1-year-old goldfish (Carassius auratus) had spindle and epithelial cells arranged either in columns or around a central lumen. Vitreous-like material was found within the tumor. A medulloepithelioma is a most unusual tumor in fish in which ocular tumors are rare.
mesh_terms: D000818:Animals; D002924:Ciliary Body; D003530:Cyprinidae; D005134:Eye Neoplasms / Q000473:pathology / Q000662:veterinary*; D005393:Fish Diseases / Q000473:pathology*; D006054:Goldfish; D018241:Neuroectodermal Tumors, Primitive, Peripheral / Q000473:pathology / Q000662:veterinary*