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Background: Primary ureteral tumors are not common. The most common presentations of upper urinary tract urothelial carcinoma are gross or microscopic hematuria. Objective: Report a rare case of acute ureteric colic with perirenal urinoma, secondary to primary ureteric carcinoma. Methods: Case report and review of literature. Result: Perirenal extravasation and ureteric obstruction by tumor was diagnosed by contrast-enhanced computed tomography. The patient was successfully treated with laparoscopic radical nephroureterectomy after the obstruction was relieved by ureteric stent. Adjuvant radiation was done at the renal fossa for local control. There was no evidence of disease recurrence at twelve month after surgery. Conclusion: The renal caliceal fornix rupture is usually associated with acute ureteric obstruction by stone. Rarely, it occurs by primary ureteric tumor.

Transitional cell carcinoma of ureter presenting acute ureteric colic and ruptured caliceal fornix with extravasation of urine