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Abstract he upper urinary tract consists of the ureter and the kidney. Upper urinary extravasation is a common complication facing the urologist. Renal urinary extravasation is mostly due to trauma while ureteral urinary extravasation is mostly iatrogenic. Diagnosis of urinary extravasation requires a high grade of suspicious especially if not detected intraoperative. The symptoms of urinary extravasation are vague. Pelviabdominal ultrasound is the initial imaging study and pelviabdominal CT with contrast with delayed films is the imaging of choice while one shot IVU is done if suspected intraoperative. When urine extravasation exceeds the capacity of lymphatic clearance, urinoma is formed which may be complicated by infect. Management depends on the amount of the extravasated urine and the underlying cause. In our study, we focused on the conservative management and the minimally invasive procedures for the management of upper urinary extravasation. As urinary extravasation will resolve spontaneously in most patients, conservative follow up of the patients is preferred and it does not compromise the outcome or prolong hospitalization. T Internal ureteral stenting is the most successful single intervention in the patients with urinoma and offers some advantages over percutaneous approaches, include improvements in quality of life during convalescence owing to increased patient comfort, avoidance of catheter care, avoidance of urine collecting bags, and psychologically the avoidance of an external catheter and is better for children due to being more compliance and less of social burden. Further studies are needed to evaluate and compare between the efficacy of conservative management and different types of minimal invasive procedures. |