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Imaging of soft tissue tumors

Author(s):

Shinji Tsukamoto*, Andreas F. Mavrogenis, Yasuhito Tanaka and Costantino Errani   Pages 1 - 22 ( 22 )

Abstract:


Differentiation of malignant from benign soft tissue tumors is challenging with imaging alone, including that by magnetic resonance imaging and computed tomography. However, the accuracy of this differentiation has increased owing to the development of novel imaging technology. Detailed patient history and physical examination remain essential for differentiation between benign and malignant soft tissue tumors. Moreover, measurement only of tumor size based on Response Evaluation Criteria In Solid Tumors criteria is insufficient for the evaluation of response to chemotherapy or radiotherapy. Change in metabolic activity measured by 18F-fluorodeoxyglucose positron emission tomography or dynamic contrast enhanced-derived quantitative endpoints can more accurately evaluate treatment response compared to change in tumor size. Magnetic resonance imaging can accurately evaluate essential factors in surgical planning such as vascular or bone invasion and “tail sign”. Thus, imaging plays a critical role in the diagnosis and treatment of soft tissue tumors.

Keywords:

Imaging, soft tissue tumor, sarcoma, CT, MRI, PET

Affiliation:

Department of Orthopaedic Surgery, Nara Medical University, Nara, First Department of Orthopaedics, National and Kapodistrian University of Athens, School of Medicine, Athens, Department of Orthopaedic Surgery, Nara Medical University, Nara, Department Orthopaedic Oncology, IRCCS Istituto Ortopedico Rizzoli, Bologna



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