Apocrine Gland Anal Sac Adenocarcinoma in Cats: 30 Cases (1994–2015)
Small Animals Apocrine gland anal sac adenocarcinoma in cats: 30 cases (1994–2015) Pierre M. Amsellem DVM, MS OBJECTIVE To describe the signalment, clinical signs, biological behavior, and outcome Ryan P. Cavanaugh DVM for cats with apocrine gland anal sac adenocarcinoma (AGASACA) that Po-Yen Chou BVM, MVM underwent surgical excision. Nicholas J. Bacon MA, VetMB DESIGN Sandra P. Schallberger DrMedVet Retrospective case series. James P. Farese DVM ANIMALS Charles A. Kuntz DVM, MS 30 client-owned cats. Julius M. Liptak BVSC, MVetClinStud PROCEDURES Databases of 13 Veterinary Society of Surgical Oncology member–affiliated William T. N. Culp VMD institutions were searched for records of cats with a histologic diagnosis of Cecilia S. Robat DVM AGASACA that underwent tumor excision. For each cat, information re- garding signalment, clinical signs, diagnostic test results, treatment, and out- Barbara E. Powers DVM, PhD come was extracted from the medical record. The Kaplan-Meier method From the Department of Companion Animals, Atlan- was used to determine median time to local recurrence (TLR), disease-free tic Veterinary College, University of Prince Edward Is- land, Charlottetown, PE C1A 4P3, Canada (Amsellem, interval (DFI), and survival time. Cox regression was used to identify fac- Chou); the Department of Small Animal Clinical Sci- tors associated with TLR, DFI, and survival time. ences, College of Veterinary Medicine, University of Florida, Gainesville, FL 32610 (Cavanaugh, Bacon, RESULTS Schallberger, Farese); Southpaws Specialty Surgery for Perineal ulceration or discharge was the most common clinical sign in af- Animals Hospital and Consulting Suites, 3 Roper St, fected cats. Eleven cats developed local recurrence at a median of 96 days Moorabbin, VIC 3189, Australia (Kuntz); Alta Vista Animal Hospital, 2616 Bank St, Ottawa, ON K1T 1M9, after AGASACA excision.
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