Anatomical And Embryological Study Of Renal Hilum

ABSTRACT

Introduction: As per standard text, the anteroposterior topographical arrangement of renal hilar structures arevein-artery-renal pelvis. However, hilar variations are very common. Aim: The present study intends to increaseawareness of possible variations in the hilar anatomy as they are of immense importance in invasive renalinterventions.Materials and methods: A careful dissection of 51 embalmed cadaveric kidneys was carried out for the propervisualization of renal hilar structures and their relations were clearly defined.Observations and Results: Enormous renal hilar variation was observed. We classified these renal variations in8 different patterns. Normal hilar arrangement was seen in 25.5% kidneys and in 74.5% cases this arrangementis disturbed. 43.1% kidneys demonstrated presence of retropelvic structures. Anterior and posterior tributariesof renal vein were displayed in 9.8% of casesConclusion: Knowledge of the pattern of renal hilar structures is of great importance in the interventionalradiological & laparoscopic renal surgeries thereby reducing the risk of vascular complications.