How does intraluminal obstruction 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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Answer

Answer

With hematuria of renal origin, the development of blood clots within the renal pelvis can lead to subsequent ureteral obstruction and flank pain as the clots pass. These blood clots may result from iatrogenic causes, such as percutaneous renal biopsies or stone procedures, or from underlying medical problems, such as blood dyscrasias, renal tumors, hemophilia, sickle cell disease, or glomerulonephritis.


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