関節唇損傷と上腕二頭筋長頭腱断裂を伴った上腕骨小結節単独骨折の一例

概要

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Isolated avulsion fracture of the lesser tuberosity represented an extremely rare injury that occurs mainly in younger patients. This report outlined the case of a 23-year-old healthy man who sustained a bony avulsion of the lesser tuberosity of the humerus with anterior labrum lesion and long head of the biceps tendon tear during snow boarding. The injury was diagnosed by physical examination, standard radiographs, three dimension computed tomography scan andmagnetic resonance imaging. Dislocation and pinching of the LHB under bone fragment was revealed by magnetic resonance imaging. The anterior labrum lesion and LHB tone were confirmed by shoulder arthroscopy before open reduction and internal fixation using screw. After a follow-up of 9 months, the patient was completely pain free, had regained a full work activity level. On postoperative standard radiographs and 3DCT, the bony fragment was shown to be consolidated in an anatomic position. It may be more desirable for this injury to perform MRI and shoulder arthroscopy because of other complicated lesions.
2008-06-30