It is known that the recovery period after laparoscopic surgery is quicker than open surgery. Therefore, it is important to know the variations of the renal calyceal pattern prior to the laparoscopic surgery during renal surgeries. We analyzed the calyceal system in kidney donors using 64-Slice Computed Tomography Angiography. A total 99 healthy kidney donors were included to study the pattern of pelvicalyceal pattern and to classify further into bi-calyceal, tri-calyceal and multi-calyceal. This study found that bi-calyceal pattern is the most common pattern and further this pattern was more in right side in males and left side in females. The numbers of minor calyces were significantly more in right multi-calyceal pattern than left multi-calyceal, tri-calyceal and bi-calyceal patterns. The association of occurrence in these patterns was significant in males with strong association and insignificant in females. A detailed description of intrarenal arterial patternand its relationship with calyceal pattern could give great significance in renal transplantation and also for other urological procedures.
Keywords: CT angiography; Renal; calyceal pattern; urology.
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