RSNA Exhibit Soft-Tissue Sarcoma:General Imaging Characteristics Intro1

GENERAL IMAGING CHARACTERISTICS (PRE-THERAPY)

INTRODUCTION MR imaging accurately determines the extent of extremity soft-tissue sarcoma and is the diagnostic imaging modality of choice in determining extent of lesion. Click on image(s) to view JPEG image(s).
1.	71-year-old female with extraskeletal osteosarcoma of left thigh. Sagittal T1W MR image reveals large mass with central high intensity hemorrhage, tumor nodule (large arrow on JPEG image) and cystic degenerative change (small arrow on JPEG image).
2.	Post contrast sagittal MR image reveals enhancing tumor nodule (large arrow on JPEG image) and non-enhancing cystic degenerative change (small arrow on JPEG image). The hemorrhage does not significantly enhance while the solid periphery of the lesion enhances.
3.	Photograph of resected specimen.
4.	Note correlation with MR images and solid tumor nodule (arrow on JPEG image).

Copyright Š2003 All rights reserved.

No part of this exhibit may be used for commercial purposes without the expressed written consent of the Division of Diagnostic Imaging, The University of Texas M. D. Anderson Cancer Center
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Last updated; September 2003