How does a retroperitoneal infection cause flank pain?

Updated: Dec 11, 2019
  • Author: Bradley C Gill, MD, MS; Chief Editor: Bradley Fields Schwartz, DO, FACS  more...
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Infection in the retroperitoneal space, such as a retroperitoneal abscess, can lead to flank pain as a result of local inflammation.Such abscesses may result from a urinary tract infection, but also can develop from pathologies of the enteric system. Diagnosis is achieved through imaging and, as with any abscess, drainage is the key to treatment.

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