MRI 評価による小円筋の欠損ならびに低形成の頻度

概要

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Background: There are few reports in the past about abnormality of the teres minor muscle. We report about the frequency of deficiency and hypoplasia of the teres minor muscle evaluated on MRI. Methods: We performed MRI on about 150 cases who had shoulder pain. In those cases, we investigated the frequency of deficiency and hypoplasia of the teres minor muscles. We excluded the case in which it seemed that teres minor muscle withered with rotator cuff atrophy due to clear neuropathy and a massive rotator cuff tear. Results: The teres minor muscle hypoplasia rate in the MRI that we performed in our hospital was 5 shoulders, 4.9% of 102 shoulders.(male 3 cases, female 2 cases, age 58 ∼ 83y.o.) Conclusion: We reported about the deficiency and hypoplasia of the teres minor muscles.
日本肩関節学会の論文