A 13 mo old spayed female golden retriever/standard poodle mixed-breed dog was presented for intermittent right forelimb lameness. Physical examination revealed marked effusion and decreased flexion in the right elbow joint, radiography showed mild osteophytosis of the right elbow joint, and computed tomography showed a focal defect in the subchondral bone in the trochlear notch of the ulna resembling a subchondral bone cyst. Arthroscopy of the affected elbow revealed a focal defect in the articular cartilage on the trochlear notch with vascular ingrowth covering a defect in the subchondral bone plate. The synovium surrounding the defect was inflamed. To the authors' knowledge, this is the first published report of a subchondral bone cyst in the ulna of a dog.
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January/February 2015
Case Reports|
January 01 2015
Focal Defect Resembling a Subchondral Bone Cyst of the Ulnar Trochlear Notch in a Dog
Kelly Makielski, DVM;
Kelly Makielski, DVM
From the Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI.
*K. Makielski's current affiliation is Veterinary Clinical Sciences, Iowa State University, Ames, IA.
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Peter Muir, BVSc, PhD, MVetClinStud, DACVS;
Peter Muir, BVSc, PhD, MVetClinStud, DACVS
From the Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI.
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Jason Bleedorn, DVM, DACVS
Jason Bleedorn, DVM, DACVS
From the Department of Surgical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI.
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J Am Anim Hosp Assoc (2015) 51 (1): 20–24.
Citation
Kelly Makielski, Peter Muir, Jason Bleedorn; Focal Defect Resembling a Subchondral Bone Cyst of the Ulnar Trochlear Notch in a Dog. J Am Anim Hosp Assoc 1 January 2015; 51 (1): 20–24. doi: https://doi.org/10.5326/JAAHA-MS-5961
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