09 December 2025
: Case report 
A Rare Case of Emphysematous Pyelonephritis Following Retrograde Intrarenal Surgery in an Elderly Man
Challenging differential diagnosis, Unusual or unexpected effect of treatment, Diagnostic / therapeutic accidents, Rare disease, Educational Purpose (only if useful for a systematic review or synthesis)
Weiyong Zhong
ABCDEF 1, Feihong Xu BCD 1, Shujiang Ye CDE 1, Yu Liu BCD 1, Wei Zhao BCD 2, Zhenquan Lu AEF 1, Lin Xiong CDF 1, Xiang Xu ABCDEFG 1*
DOI: 10.12659/AJCR.949018
Am J Case Rep 2025; 26:e949018
Figure 1 Preoperative imaging findings of right renal and ureteral stones. CT scans: (A) Axial view showing the stone (longest axis marked with green numbers). (B) Coronal view of the right kidney. KUB X-ray: (C) Multiple right renal stones (green circles). (D) Ureteral stent placement (green arrow).