27 June 2025
: Case report 
Combining Retroperitoneal Laparoscopic Ureterolithotomy and Flexible Ureteroscopy for Effective Removal of a Large Ureteral Stone: A Case Report
Unusual or unexpected effect of treatment
Ru-Nan Dong BEF 1, Kristine Joy Shan Joy Shan Kwan
CDEF 2, Jun-Feng Tang BD 1, Jia-Bing Yuan BCD 1, Lin Xiong ADE 1*
DOI: 10.12659/AJCR.947262
Am J Case Rep 2025; 26:e947262
Figure 1 Contrast-enhanced computed tomography scans of the patient (A) upon admission, (B) 1 month after percutaneous nephrostomy, and (C) 5 days after retroperitoneal laparoscopic ureterolithotomy and antegrade flexible ureteroscopy. Reconstructed computed tomography images (D) upon admission, (E) 1 month after percutaneous nephrostomy where the tube (yellow arrow) is visible, and (F) 5 days after retroperitoneal laparoscopic ureterolithotomy and antegrade flexible ureteroscopy prior removal of the nephrostomy tube (yellow arrow) and an intact ureteral stent (red arrow).