Desmoplastic Small Round Cell Tumor in the Abdomen and Pelvis: Report of CT Findings in 11 Affected Children and Young Adults
Richard Bellah1,
Lisa Suzuki-Bordalo1,
Eric Brecher1,
Jill P. Ginsberg2,
John Maris2 and
Bruce R. Pawel3
1 Department of Radiology, The Children's Hospital of Philadelphia, 34th and
Civic Center Blvd., Philadelphia, PA 19104.
2 Division of Oncology, The Children's Hospital of Philadelphia, University of
Pennsylvania School of Medicine, Philadelphia, PA.
3 Department of Pathology, The Children's Hospital of Philadelphia, University
of Pennsylvania School of Medicine, Philadelphia, PA.

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Fig. 1A. 13-year-old boy with abdominal pain and distention.
Contrast-enhanced abdominopelvic CT scan shows diffuse studding of peritoneal
surfaces and omentum by multiple soft-tissue masses (arrowheads) and
lymphadenopathy (n).
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Fig. 1B. 13-year-old boy with abdominal pain and distention. CT scan
obtained at lower level shows large mesenteric masses (arrows) and
omental studding (arrowheads).
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Fig. 1C. 13-year-old boy with abdominal pain and distention. More
caudally, large retrovesical mass (M) is present. b = bladder.
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Fig. 2A. 10-year-old girl with large mass in left upper quadrant.
Axial unenhanced abdominopelvic CT shows large, solid heterogeneous mass with
scattered calcifications (arrowheads) within lesser sac.
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Fig. 2B. 10-year-old girl with large mass in left upper quadrant.
Contrast-enhanced CT shows heterogeneous mass with areas of low attenuation
(arrowheads).
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Fig. 2C. 10-year-old girl with large mass in left upper quadrant.
Photomicrograph shows nests and cords of small, round undifferentiated cells
(arrowheads) separated by myxomatous desmoplastic stroma.
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Copyright © 2005 by the American Roentgen Ray Society.