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Veterinary Radiology

Teaching and learning about veterinary diagnostic imaging.

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5 month old Labrador Retriever

September 3, 2015 By Allison Zwingenberger

Today’s case is a 5 month old male Labrador Retriever with one week history of left thoracic limb lameness. What is the cause of the lameness?

L LAT Elbow
L LAT Elbow
L AP Elbow
R LAT Elbow
R LAT Elbow
R AP Elbow

Show findings...

Findings

  • Left elbow: There is a smoothly margined osseous body medial to the medial epicondyle of the humerus. There is a radiolucent region in the medial epicondyle at this site.
  • Right elbow: There is a radiolucent region in the medial epicondyle, and the subchondral bone in this region is sclerotic.

Show differential diagnosis…

Differential Diagnosis

Ununited medial epicondyle or flexor tendon enthesopathy of the left elbow. Probable smaller lesion of the right elbow.

Show diagnosis…

Diagnosis

A CT examination of the elbows was performed. There was a completely separate fragment on the left medial epicondyle, and a fissure and subchondral bone sclerosis of the right medial epicondyle. Previously named ununited medial epicondyle, new terminology of flexor tendon enthesopathy has been proposed for this condition.

Show references…

References

  1. de Bakker, E., Saunders, J., Gielen, I., van Bree, H., Coppieters, E., & Van Ryssen, B. (2012). Radiographic findings of the medial humeral epicondyle in 200 canine elbow joints. Veterinary and Comparative Orthopaedics and Traumatology : VCOT, 25(5), 359–365. doi:10.3415/VCOT-11-09-0127

Filed Under: Canine, Case of the Day, CT/MRI, Musculoskeletal, Radiographs

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