Female patient, 32 years old, complains of chronic back pain, moderate and intermittent. Denies hematuria or urinary volume changes, smoking, previous surgeries and use of medications. Refers history of recurrent urinary infections. On examination the patient was in good general condition, no fever, mild pain on palpation of the left lower back. Blood pressure: 118/80 mmHg. Have normal values of urea, creatinine and clearance renal.Solicitada ultrasonography (USG) of the urinary tract - which showed hydronephrosis of the left kidney - and, later, computed tomography (CT). Computed tomography of kidneys and bladder - 3D reconstructionComputed tomography of kidneys and bladder - 3D reconstruction Question:Based on the clinical picture and the data obtained, what is the most likely obstructive disorder? A) Retroperitoneal fibrosis B) Nephrolithiasis C) Congenital obstruction of the ureteropelvic junction D) Urothelial tumor of the renal pelvis or ureter Time is Up! Time's up
