title: Orbital neoplasms in cats: 21 cases (1974-1990).
abstract: Squamous cell carcinoma was the most common neoplasm found in a review of case records of 21 cats with histopathologically confirmed orbital neoplasms. Other neoplasms found were lymphosarcoma, undifferentiated carcinoma, malignant melanoma, adenocarcinoma, fibrosarcoma, chondroma, and hemangiosarcoma. Three (14%) neoplasms were primary, 15 (71%) were secondary, invading the orbit from adjacent tissues, and 3 (14%) were a manifestation of multicentric disease. The most common clinical sign was exophthalmia, followed by chronic epiphora, enophthalmia, and strabismus. Mean survival time after diagnosis was 1.9 months. Ten cats were euthanatized at the time of diagnosis because of extensive disease. Mean survival time of the other 11 cats was 4.3 months. Skull radiography was helpful in diagnosing orbital neoplasms in 8 of 11 cats that had invasion of the orbit by adjacent neoplasms.
authors.affiliation: Department of Small Animal Surgery, College of Veterinary Medicine, Auburn University, AL 36849-5523.
authors.forename: B C
authors.initials: BC
authors.lastname: Gilger
authors.forename: S A
authors.initials: SA
authors.lastname: McLaughlin
authors.forename: R D
authors.initials: RD
authors.lastname: Whitley
authors.forename: J C
authors.initials: JC
authors.lastname: Wright
mesh_terms: D000230:Adenocarcinoma / Q000175:diagnosis / Q000556:secondary / Q000628:therapy / Q000662:veterinary; D000818:Animals; D001706:Biopsy / Q000662:veterinary; D001707:Biopsy, Needle / Q000662:veterinary; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis / Q000556:secondary / Q000628:therapy / Q000662:veterinary*; D002371:Cat Diseases / Q000175:diagnosis* / Q000628:therapy; D002415:Cats; D002812:Chondroma / Q000175:diagnosis / Q000556:secondary / Q000628:therapy / Q000662:veterinary; D005260:Female; D005354:Fibrosarcoma / Q000175:diagnosis / Q000628:therapy / Q000662:veterinary; D006391:Hemangioma / Q000175:diagnosis / Q000628:therapy / Q000662:veterinary; D008228:Lymphoma, Non-Hodgkin / Q000175:diagnosis / Q000628:therapy / Q000662:veterinary; D008297:Male; D008545:Melanoma / Q000175:diagnosis / Q000556:secondary / Q000628:therapy / Q000662:veterinary; D009918:Orbital Neoplasms / Q000175:diagnosis / Q000556:secondary / Q000628:therapy / Q000662:veterinary*; D011379:Prognosis; D012189:Retrospective Studies