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A case of dedifferentiated liposarcoma showing a biphasic pattern on 2-deoxy-2-F18- fluoro-D-glucose positron emission tomography/ computed tomography

Manabu Hoshi, Naoto Oebisu, Jun Takada, Kenichi Wakasa, Hiroaki Nakamura
  • Manabu Hoshi
    Department of Orthopedic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan | hoshi@med.osaka-cu.ac.jp
  • Naoto Oebisu
    Department of Orthopedic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan
  • Jun Takada
    Department of Orthopedic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan
  • Kenichi Wakasa
    Department of Diagnostic Pathology, Osaka City University Graduate School of Medicine, Osaka, Japan
  • Hiroaki Nakamura
    Department of Orthopedic Surgery, Osaka City University Graduate School of Medicine, Osaka, Japan

Abstract

Integrated 2-deoxy-2-F18-fluoro-D-glucose positron emission tomography combined with computed tomography (FDG-PET/CT) has been used in the field of soft tissue sarcoma. We report an 81-year-old man with dedifferentiated liposarcoma in the left thigh, which was composed of well-differentiated liposarcoma and pleomorphic malignant fibrous histiocytoma. As well as other radiological modalities, FDG-PET was able to demonstrate a biphasic signal pattern composed of well-differentiated liposarcoma and dedifferentiated area, being consistent with the histological grade of malignancy.

Keywords

FDG-PET/CT, SUV max, dedifferentiated liposarcoma, biphasic pattern

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Submitted: 2012-10-29 04:02:02
Published: 2013-06-03 10:27:45
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Copyright (c) 2013 Manabu Hoshi, Naoto Oebisu, Jun Takada, Kenichi Wakasa, Hiroaki Nakamura

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