Introduction: Late diagnosis of renal tuberculosis leads to complications that cannot be eliminated by treatment.
Clinical case. A clinical observation of patient Ch., born in 1976, who was admitted to TB Research Institute of Ministry of Health of Russia on 17.02.2020. A diagnosis was cavernous renal tuberculosis. Tuberculosis of the ureter. MBT (-). Right ureteral stricture (obliteration), complicated by ipsilateral hydronephrosis. Right nephrostomy tube (2018). Clinical cure of disseminated pulmonary tuberculosis. He underwent planned laparoscopic bowel substitution of the right ureter on 10.03.2020. In the postoperative period, pyelonephritis developed, which was resolved by drug therapy.
Conclusion. In this case, there is the correct tactics of outpatient urologists. When hydronephrosis was diagnosed, a nephrostomy tube was put, which allowed to preserve the kidney, Then the patient was immediately referred to a phthisiatrician to exclude urogenital tuberculosis. In the local TB dispensary, the patient did not have the opportunity to receive necessary treatment, and he was transferred to the TB Research Institute of Ministry of Health of Russia, where a reconstructive laparoscopic procedure was performed.

Keywords: complicated forms of urogenital tuberculosis, ureteral tuberculosis, tuberculosis of the genitourinary system, urogenital tuberculosis, renal tuberculosis, tuberculosis, surgical treatment