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Case Report |
From the Departments of Small Animal Clinical Sciences (Mirkovic, Shmon) and Veterinary Pathology (Allen), Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada S7N 5B4.
A 13-year-old, 25-kg, castrated male border collie was referred for evaluation of pollakiuria, stranguria, and a decreased urine stream. A calcified periurethral mass near the caudal aspect of the os penis was identified on survey abdominal radiographs. A retrograde contrast urethrocystogram demonstrated that the mass was compressing the penile urethra. The mass was surgically resected. A histopathological diagnosis of an ossifying fibroma of the os penis was made. This report describes an atypical presentation of a rare tumor, an ossifying fibroma, that caused a urinary obstruction in a male dog. A review of the incidence, histopathological features, and behavior of ossifying fibromas is included.
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M. A. Miller, H. A. M. Towle, H. G. Heng, C. B. Greenberg, and R. R. Pool Mandibular Ossifying Fibroma in a Dog Vet. Pathol., March 1, 2008; 45(2): 203 - 206. [Abstract] [Full Text] [PDF] |
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