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Hill–Sachs lesion
A Hill–Sachs lesion, or Hill–Sachs fracture, is a cortical depression in the posterolateral head of the humerus. It results from forceful impaction of the humeral head against the anteroinferior glenoid rim when the shoulder is dislocated anteriorly.
==Eponym==
The lesion is named after Harold Arthur Hill (1901–1973) and Maurice David Sachs (1909–1987), two radiologists from San Francisco, USA. In 1940, they published a report of 119 cases of shoulder dislocation and showed that the defect resulted from direct compression of the humeral head. Before their paper, although the fracture was already known to be a sign of shoulder dislocation, the precise mechanism was uncertain.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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