MDCT angiographic evaluation of multiple renal arteries – a case report

Introduction Variations of renal arteries occur frequently in general population with a reported prevalence of about 28–30% [1]. Multi-detector computed tomography (MDCT) angiography is a fast, reliable, non-invasive, cost effective, preferable imaging modality for comprehensive evaluation of renal vascular anatomy as it depicts exquisite anatomical details [2–4]. Two types of numerical variations of renal artery are encountered: multiple renal arteries and early prehilar branching into segmental arteries. Multiple renal arteries are of two types: hilar which enter hilum along with main renal artery; and polar, which enter the renal parenchyma directly from the capsule [5]. Variant origin of renal artery is also seen where the main renal artery or extra renal arteries arise from superior mesenteric, inferior mesenteric or common iliac arteries.