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Two-year non-recurrence rates for equine ocular and periorbital squamous cell carcinoma following radiotherapy
Veterinary Radiology (1986)
  • M.A. Walker
  • D. Goble
  • Dennis R. Geiser, DVM, University of Tennessee - Knoxville
Abstract

Seventeen horses with a total of 18 ocular or periorbital squamous cell carcinomas were irradiated with strontium-90 surface therapy, or radon-222, iodine-125, or iridium-192 interstitial implants. Tumours were surgically cytoreduced before irradiation in all but two horses. Follow-up studies were carried out for 2 years in each horse. Two-year non-recurrence rates (no grossly visible evidence of tumour) were 87.5% for 90Sr β therapy, and 60% (70% when corrected for non-tumour-related deaths) for interstitial implant therapy. Data regarding frequency of occurrence, location of lesions, age of onset, and non-recurrence rates were similar to previous literature reports using variable or shorter follow-up periods. The effects of cytoreductive surgery of the tumours was not studied.

Publication Date
1986
Citation Information
M.A. Walker, D. Goble and Dennis R. Geiser. "Two-year non-recurrence rates for equine ocular and periorbital squamous cell carcinoma following radiotherapy" Veterinary Radiology Vol. 27 Iss. 5 (1986)
Available at: http://works.bepress.com/dennis_geiser/22/