Renal vein thrombosis

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Kidney anatomy

Kidney - blood and urine flow

Renal vein thrombosis is a blood clot that develops in the vein that drains blood from the kidney.

Clot in the renal vein; Occlusion - renal vein

Renal vein thrombosis is a fairly uncommon situation that may happen after trauma to the abdomen or back, or it may occur because of a tumor, stricture (scar formation), or other blockage of the vein. It may be associated with nephrotic syndrome.

In some children it occurs after severe dehydration, and is a more serious condition than in adults. Dehydration is the most common cause of renal vein thrombosis in infants.

Review Date: 12/09/2005
Reviewed By: Colm C. Magee, MD, MPH, Medical Director, Renal Transplant, Brigham & Women's Hospital, and Assistant Professor, Harvard Medical School, Boston, MA. Review provided by VeriMed Healthcare Network.