case_images: PMC11796485_01
case_images: Axial (A), coronal (B), and sagittal (C) views of CT of the abdomen and pelvis with contrast showing left perinephric inflammatory changes and fluid tracking (arrows), suggestive of a urine leak extending down the retroperitoneum
case_images: cureus-0017-00000076999-i01.jpg
case_images: PMC11796485_01_cureus-0017-00000076999-i01.jpg
case_images: FIG1
case_images: However, contrast-enhanced CT of the abdomen and pelvis revealed a 3-mm obstructed VUJ calculus, moderate hydronephrosis, and perinephric inflammatory changes with fluid extending into the retroperitoneum (Figures 1, 2).
case_images: CT (axial view) of the pelvis showing the 3-mm obstructing stone at the left vesicoureteric junction  (red arrow), and associated inflammatory changes and a phlebolith (black arrow)
case_images: cureus-0017-00000076999-i02.jpg
case_images: PMC11796485_01_cureus-0017-00000076999-i02.jpg
case_images: FIG2
case_images: However, contrast-enhanced CT of the abdomen and pelvis revealed a 3-mm obstructed VUJ calculus, moderate hydronephrosis, and perinephric inflammatory changes with fluid extending into the retroperitoneum (Figures 1, 2).