Abstract
Scapular skeletal remains of six 20 th century dingoes (Canis lupus dingo) were examined. One had been an elderly zoo resident, and five were taken in the wild. The zoo specimen and one wild-caught specimen each revealed an unusual bilateral ossified feature of the scapular glenoid fossa. The roughly triangular feature is visually similar to the appearance of a SLAP tear (glenoid superior labral tear, anterior-posterior) in humans. However, the SLAP tear injury is not compatible with current understanding of biceps tendon attachment on the domestic dog scapula. Additionally, the pattern of lateral peri-articular rimming in these six specimens suggests possible incipient pathological change. We discuss the differential diagnoses for these observations.
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