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Clinical behavior of intraocular teratoid medulloepithelioma in two-related Quarter Horses.
Monk, Caroline S; Craft, William F; Abbott, Jeffrey R; Farina, Lisa L; Reuss, Sarah M; Czerwinski, Sarah L; Brooks, Dennis E; Plummer, Caryn E.
Afiliación
  • Monk CS; Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA.
  • Craft WF; Department of Infectious Diseases and Pathology, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA.
  • Abbott JR; Department of Infectious Diseases and Pathology, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA.
  • Farina LL; Department of Infectious Diseases and Pathology, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA.
  • Reuss SM; Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA.
  • Czerwinski SL; Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA.
  • Brooks DE; Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA.
  • Plummer CE; Department of Large Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA.
Vet Ophthalmol ; 20(6): 551-559, 2017 Nov.
Article en En | MEDLINE | ID: mdl-27440405
The objective of this paper is to describe clinical behavior, histopathologic features, and immunohistochemical staining of two-related horses with intraocular teratoid medulloepithelioma. Two-related Quarter Horses with similar intraocular masses presented to the UF-CVM Comparative Ophthalmology Service for evaluation and treatment. The first horse, a 3-year-old gelding, had glaucoma and a cyst-like mass in the anterior chamber. Enucleation was performed. Histopathology revealed a teratoid medulloepithelioma. The tumor was considered to be completely excised. Fifteen months later, the gelding presented with swelling of the enucleated orbit and local lymph nodes with deformation of the skull. Cytology revealed neuroectodermal neoplastic cells. Necropsy confirmed tumor metastasis. Six weeks later, a 9-year-old mare, a full sibling to the gelding, presented for examination. An infiltrative mass of the iris and ciliary body was found that extended into the anterior, posterior, and vitreal chambers. Uveitis was present, but secondary glaucoma was not noted. Enucleation was performed and the histopathologic diagnosis was also teratoid medulloepithelioma. The mare has had no recurrence to date, 2 years following enucleation. Metastasis of intraocular teratoid medulloepithelioma is possible. Staging is recommended in cases where the diagnosis of teratoid medulloepithelioma is confirmed. Surveillance of full siblings is recommended until more information regarding etiology is known.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tumores Neuroectodérmicos Primitivos / Neoplasias del Ojo / Enfermedades de los Caballos Límite: Animals Idioma: En Revista: Vet Ophthalmol Asunto de la revista: MEDICINA VETERINARIA / OFTALMOLOGIA Año: 2017 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tumores Neuroectodérmicos Primitivos / Neoplasias del Ojo / Enfermedades de los Caballos Límite: Animals Idioma: En Revista: Vet Ophthalmol Asunto de la revista: MEDICINA VETERINARIA / OFTALMOLOGIA Año: 2017 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido