Shoulder Luxation

Case contributed by Allison L Zwingenberger
Diagnosis certain

Presentation

7 year old male neutered Border Collie with non-weight bearing right thoracic limb lameness.

Patient Data

Age: 9
Gender: Castrated male
Category: Domestic dog
Organism: Border Collie

Shoulders

x-ray

Left shoulder: There is osteophytosis of the supraglenoid tubercle and the caudal humeral head, as well as the bicipital groove. The joint appears congruent.

Right shoulder: There is proximomedial subluxation of the right shoulder joint, best seen on the caudocranial projection. Osteophytes are present on the caudal humeral head, bicipital groove, and supraglenoid tubercle.

Case Discussion

Right shoulder luxation and bilateral osteoarthrosis.

Ultrasonography of the shoulder was performed. The right supraspinatus tendon was ruptured and the right biceps tendon was partially ruptured. There was marked synovitis and effusion of the joint. A shoulder arthrodesis was performed for stabilization.

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