Renal vein thrombosis

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Kidney anatomy

Kidney - blood and urine flow

Clot in the renal vein; Occlusion - renal vein

• Flank pain or low back pain , may be severe
• Urine, bloody
• Urine output, decreased

An examination may not reveal the specific problem, but may indicate nephrotic syndrome or other causes of renal vein thrombosis.

• A urinalysis may show large quantities of protein in the urine, or red blood cells in urine.
• An abdominal CT scan, abdominal MRI, or abdominal ultrasound may show occlusion of the renal vein.
• Venography (angiography) of the vena cava or renal vein may indicate renal vein thrombosis.

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.