関節造影後Helical CT の冠状断・矢状断を用いた腱板断裂評価の有用性−断裂端のdelaminationの評価−

概要

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The purpose of this study was to show the usefulness of the reconstructed coronal and sagittal views after an arthrographic helical computed tomography (HCTA) to perform the minute evaluation of the delamination of the rotator cuff tear (RCT). Our subjects consisted of 32 shoulders of 31 cases with RCT, 22 men and 9 women with a mean age of 55.0 years old. They were classified into the following 3 groups according to their tear size; small tear (9 subjects), medium tear (8 subjects), and large tear (15 subjects). We assessed the size and position of the delamination of the RCT with HCTA, and their relation to age and size of the RCT. A delamination was exhibited in the 20 subjects of 32 (62.5%) with a mean age of 58.0 years old. The group with a delamination was older than that without a delamination with a mean age of 50.1 years old. As to the size of the RCT, a delamination was found in 2 of the 9 small tear subjects (22%), all 8 medium tear subjects, and 10 of the 15 large tear subjects (67%). The evaluation of the sagittal image showed that the subjects with a wide delamination from the SSP to the ISP (59.3 years old) were older than the others with only an SSP delamination (52.0 years old). The HCTA was one of the most useful examinations for the preoperative minute evaluation of the size and position of the delamination of the RCT.
日本肩関節学会の論文