肩峰下インピンジメント症候群におけるMRI評価

DOI 被引用文献1件
  • 福島 直
    Department of Orthopaedic Surgery, Osaka Kosei-nenkin Hospital
  • 米田 稔
    Department of Orthopaedic Surgery, Osaka Kosei-nenkin Hospital
  • 林田 賢治
    Department of Orthopaedic Surgery, Osaka Kosei-nenkin Hospital
  • 廣岡 淳
    Sekime Hospital
  • 脇谷 滋之
    Department of Orthopaedic Surgery, School of Medicine, Osaka University
  • 妻木 範行
    Department of Orthopaedic Surgery, School of Medicine, Osaka University

書誌事項

タイトル別名
  • The Peribursal Fat Plane in MR Imaging of Patients with Subacromial Impingement Syndrome
  • -A Comparison with Bursoscopic Findings
  • -Peribursal fat plane像の意義-

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説明

[Purpose] To determine the implications of changes of the peribursal fat plane (FP) on MR imaging (MRI) of patients with subacromial impingement syndrome.<br>[Materials and Methods] Fifty-three patients who had undergone arthroscopic surgical treatment for subacromial impingement syndrome were studied. All the patients had a good response to subacromial decompression. The mean age at surgery was 33 years (14-64). FP was evaluated in the oblique coronal view, and was classified as follows: a plane visible along the bursal layer on T1-weighted images (T1WI) “Type I”, a signal intensity of the plane on T2*-weighted images (T2* WI) were higher than those of T1WI“Type II”, and the plane was not detectable on T1WI “Type III”. Using T2* WI, type II patients were then classified as having a thin FP (IIn) or a thick FP (Ilk). The bursal findings confirmed at arthroscopic surgery were classified as follows: bursal synovitis (BS), bursal fibrosis (BF), bursal thickening (BT), bursal adhesion (BA). The FP type were compared with the bursal findings.<br>[Results and Discussion] MRI findings were classified as Type I in 25 shoulders, type II in 23shoulders (IIn in 17, IIk in 6), and type III in 5 shoulders. Bursoscopic findings were synovitis in 27, thickening in 33, fibrosis in 25, adhesion in 25 and normal in 3 shoulders. BT was detected in 71% of Type IIn. BS was found in 83% of Type IIk. BS and a BA were found in 83% of Type III.<br>[Conclusions] Changes of FP reflect the bursal state, but the presence of an FP does not always mean the subacromial bursa is norma

収録刊行物

  • Katakansetsu

    Katakansetsu 18 (2), 234-239, 1994

    Japan Shoulder Society

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