DOI: 10.1148/radiol.2291020690
The Soft-Tissue Rim Sign1
Nizar A. Al-Nakshabandi, MB, FRCPC
1 From the Department of Radiology, Abdominal Division, Vancouver Hospital and Health Science Centre, British Columbia, Canada. Received June 9, 2002; revision requested July 16; final revision received October 2; accepted October 22. Address correspondence to the author, Department of Radiology, College of Medicine, King Saud University, Riyadh 11461, Saudi Arabia (e-mail: nizar97@hotmail.com).

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Transverse unenhanced CT scan of the abdomen shows a calcified calculus in the right side of the ureter with a rim of soft tissue (arrow), demonstrating the soft-tissue rim sign.
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Copyright © 2003 by the Radiological Society of North America.