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Radiology, Vol 122, 338-338, Copyright © 1977 by Radiological Society of North America

ARTICLES

The cortical rim sign in renal infarction

GJ Paul and TF Stephenson

The authors describe a case of unilateral renal artery occlusion in which a thin, dense rim was seen on infusion pyelography with subsequent marked atrophy of the kidney. This "cortical rim sign" appears to be due to collateral blood supply from the renal capsule, preserving a thin rim of viable cortex.




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RADIOLOGY RADIOGRAPHICS RSNA JOURNALS ONLINE
Copyright © 1977 by the Radiological Society of North America.