Renal vein thrombosis is a rare but serious condition.

Risk factors:

(1) neonatal period

(2) cancer

(3) nephrotic syndrome

(4) blunt trauma

(5) surgery including renal transplant

(6) hypercoagulable state (Factor V Leiden, prothrombin G20210A, etc)

(7) infection

(8) antiphospholipid antibodies

(9) oral contraceptives

(10) pregnancy or puerperium

(11) iatrogenic (umbilical catheter, inferior vena cava filter, etc)


Clinical features:

(1) hematuria

(2) proteinuria

(3) deterioration of renal function

(4) occasionally a palpable flank mass

(5) flank or abdominal pain

(6) systemic features (anorexia, nausea, fever)


Imaging studies show:

(1) enlargement of the affected kidney

(2) altered blood flow

(3) enlarged renal vein with filling defect

(4) absence of washout of contrast

To read more or access our algorithms and calculators, please log in or register.