Computed tomography in the evaluation of sarcomatous tumors of the thigh

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Abstract
CT examination of a soft tissue mass in the lower extremity adds substantially to a more precise preoperative histologic diagnosis and anatomic localization of the lesion. An appreciation of the normal cross-sectional anatomy of this region is essential for adequate evaluation of the information provided by the CT scan. Four patients with sarcomatous tumors involving the soft tissues of the thigh are described and the diagnostic information provided by CT is discussed. In two of these cases anatomic cross sections are correlated with the CT scan.