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Abstract #5024

Simultaneous multi-slice TSE imaging of the hip joint: Acquisition time reduction and imaging quality.

Mayuko Haraikawa1, Masashi Suzuki1, Yuki Hara1, Kayu Takezawa1, Nanami Okano1, Iichiro Osawa1, Kaiji Inoue1, Eito Kozawa1, Junji Tanaka1, Keisuke Watarai2, Taishi Unezawa1, Atsushi Kondo1, Hiroshi Imai3, Thomas Beck4, Dingxin Wang5, and Mamoru Niitsu1

1radiology, Saitama Medical University Hospital, Saitama, Japan, 2orthopedics, Saitama Medical University Hospital, Saitama, Japan, 3Siemens Healthcare K.K, Tokyo, Japan, 4Siemens Healthcare GmbH, Erlangen, Germany, 5Siemens Healthcare, Minneapolis, United States

Simultaneous-Multi-Slice Turbo-Spin-Echo (SMS TSE) protocols were added to our conventional (CNV) hip joint MR examination in 21 patients. Image quality of acetabular labrum, articular cartilage, round ligament and bony trabeculae were evaluated by three reviewers and showed comparable image quality, whereas SMS was slightly better for bony trabeculae. If CNV is substituted by SMS, total scan time can be reduced by approximately 40%. Although SMS protocols showed higher specific absorption rate (SAR), it only accounted for 20% of scans which exceeded the first level of SAR limit. SMS could be applied to clinical examination with advantage of acquisition time reduction.

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