half moon sign

A semilunar shadow that may disappear in posterior dislocation of the humerus with the glenoid capsule, as normally the medial humeral head overlaps the glenoid fossa

half moon sign

Bone radiology A semilunar shadow that may disappear in posterior dislocation of the humerus with the glenoid capsule as, normally, the medial humeral head overlaps the glenoid fossa
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