10 September 2025
: Case report 
Radiotherapy-Related Bladder Fistula: A Hidden Cause of Recurrent Abdominal Symptoms
Unusual clinical course, Challenging differential diagnosis, Diagnostic / therapeutic accidents, Management of emergency care
Xiaofeng Ren BE 1, Jialin Wu AE 2*, Shaobin Yang B 1, Yuliang Wang B 1, Yajun Xu B 1, Chuan-Guo Guo
EF 2
DOI: 10.12659/AJCR.948953
Am J Case Rep 2025; 26:e948953
Figure 2 Blue abdominal drainage after irrigation of 500 ml of saline-methylene blue solution into the bladder via a urinary catheter. Urinary catheter drainage bag (red arrows); abdominal drainage bag (yellow arrows).