Rapid Destruction of the Humeral Head Caused by Subchondral Insufficiency Fracture: A Report of Two Cases
Case 2. Serial preoperative radiographs. (a) The humeral head is slightly displaced inferiorly, but the shape is maintained at the time of symptom onset. (b) Five months later, the humeral head demonstrates progressed collapse. (c) Bone defects of the glenoid are noted 2 years after symptom onset.
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