Left sided inferior vena cava
27 year old male came for routine ultrasound abdomen as part of protocol for investigation of hypertension. Asymptomatic.
Left sided IVC
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IVC is observed on left side at it`s infrarenal traject, then it cross over to the right side anterior to the aorta after uniting with the left renal vein. Suprarenal IVC traject is normal until cardiac right atrium.
A left IVC (prevalence of 0.2%–0.5%) results from regression of the right supracardinal vein with persistence of the left supracardinal vein.