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DOI: 10.1148/radiol.2262011880
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Malignant Gastrointestinal Stromal Tumor: Distribution, Imaging Features, and Pattern of Metastatic Spread1

Guy J. C. Burkill, MRCP, FRCR, Mohammed Badran, FRCR, Omar Al-Muderis, BSc, J. Meirion Thomas, FRCP, FRCS, Ian R. Judson, MD, FRCP, Cyril Fisher, MA, MD, FRCPath and Eleanor C. Moskovic, MRCP, FRCR

1 From the Department of Radiology (G.J.C.B., M.B., E.C.M.), Sarcoma Unit (O.A.M., J.M.T., I.R.J.), and Department of Histopathology (C.F.), Royal Marsden Hospital, Fulham Rd, London SW3 6JJ, England. From the 2001 RSNA scientific assembly. Received November 25, 2001; revision requested February 5, 2002; revision received April 26; accepted May 24. Address correspondence to E.C.M. (e-mail: eleanor.moskovic@rmh.nthames.nhs.uk).



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  		Figure 1. Transverse CT scan in a 58-year-old man shows an extraluminal gastric stromal tumor (straight arrow) with central fluid attenuation. Small homogeneous hepatic metastases are present (curved arrows).

 


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  		Figure 2. Transverse CT scan in a 63-year-old man shows an endoluminal gastric stromal tumor (arrow), which is homogeneous and isoattenuating with the enhanced liver parenchyma.

 


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  		Figure 3. Transverse CT scan in a 46-year-old man shows a well-circumscribed homogeneous stromal tumor (arrow) arising exophytically from the small bowel.

 


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  		Figure 4. Transverse CT scan in a 78-year-old man shows a large malignant stromal tumor (arrow) of the small bowel with central fluid attenuation.

 


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  		Figure 5. Transverse CT scan in a 62-year-old man with numerous peritoneal metastases (straight arrows) from a previously resected small-bowel stromal tumor. Note the metastasis (curved arrow) in the midline laparotomy scar.

 


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  		Figure 6. Transverse CT scan in a 36-year-old man with extensive peritoneal metastases (arrow) invaginating the hilum of the liver. Note the absence of biliary dilatation.

 




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