Renal vein thrombosis

Alternative names:

clot in the renal vein; occlusion - renal vein

Symptoms:

• flank pain or low back pain, may be severe
• urine, bloody
• urine output, decreased

Signs and tests:

An examination is often nonspecific. It 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 X-ray, abdominal CT scan, abdominal MRI, or abdominal ultrasound may show occlusion of the renal vein.
• Venography (angiography) of the vena cava and/or renal vein may indicate renal vein thrombosis.