The MRI Findings of Well-differentiated Liposarcoma

DOI 5 Citations 13 References
  • Odagiri Haruki
    Department of Orthopaedic and Neuro-Musculoskeletal Surgery, Faculty of Medical and Pharmaceutical Sciences, Kumamoto University, Kumamoto, Japan
  • Yakushiji Toshitake
    Department of Orthopaedic and Neuro-Musculoskeletal Surgery, Faculty of Medical and Pharmaceutical Sciences, Kumamoto University, Kumamoto, Japan
  • Sato Hiroo
    Department of Orthopaedic and Neuro-Musculoskeletal Surgery, Faculty of Medical and Pharmaceutical Sciences, Kumamoto University, Kumamoto, Japan
  • Yorimitsu Shigeta
    Department of Orthopaedic and Neuro-Musculoskeletal Surgery, Faculty of Medical and Pharmaceutical Sciences, Kumamoto University, Kumamoto, Japan
  • Oka Kiyoshi
    Department of Orthopaedic and Neuro-Musculoskeletal Surgery, Faculty of Medical and Pharmaceutical Sciences, Kumamoto University, Kumamoto, Japan
  • Uezono Keiji
    Department of Orthopaedic and Neuro-Musculoskeletal Surgery, Faculty of Medical and Pharmaceutical Sciences, Kumamoto University, Kumamoto, Japan
  • Mizuta Hiroshi
    Department of Orthopaedic and Neuro-Musculoskeletal Surgery, Faculty of Medical and Pharmaceutical Sciences, Kumamoto University, Kumamoto, Japan

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  • 高分化型脂肪肉腫のＭＲＩ所見

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The purpose of this study was to evaluate the MRI findings of well-differentiated liposarcoma. Ten well-differentiated liposarcomas surgically excised with histologic diagnosis were included in this study. The subjects consisted of five men and five women, with an average age of 62.5 years (range: 43-79 years). Six cases occurred in the thigh, two in the forearm, one in the shoulder, and one in the chest wall. Thickened septa (generally ≥ 2 mm) of low T1 signal and high T2 signal, and prominent area of enhancement were suspicious for well-differentiated liposarcoma. So we checked these lesions and compared with the pathologic findings of these lesions.<BR>Thick septa and prominent area of enhancement were identified in all cases except one case who could not use Gadolinium. Pathologically, these lesions were composed of a relatively mature adipocytic proliferation in which, in contrast to benign lipoma, significant variation in cell size is easily appreciable.<BR>So we consider that thick septa and prominent area of enhancement are evidently suspicious lesions for well-differentiated liposarcoma.

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