What is the association between renal infarction and flank pain?

Updated: Dec 11, 2019
  • Author: Bradley C Gill, MD, MS; Chief Editor: Bradley Fields Schwartz, DO, FACS  more...
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Answer

Answer

Renal infarction is assumed to be rare, which may lead it its misdiagnosis at initial presentation as acute renal colic, pyelonephritis, or an acute abdomen. Pain results from tissue infarction, producing classic flank discomfort from a renal origin. Case series have shown renal infarction to be more common in older individuals and those with conditions that may promote thrombus development, particularly atrial fibrillation. [3, 4] However, any interruption of blood supply, such as arterial compression by an extrinsic mass or impaired flow secondary to an abdominal aortic aneurysm, can produce a renal infarction.


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