11 September 2026
: Case report 
Appendico-Sigmoid Fistula as a Rare Complication of Chronic or Recurrent Appendicitis: A Case Report
Unusual clinical course, Challenging differential diagnosis, Diagnostic / therapeutic accidents, Management of emergency care, Rare disease, Clinical situation which can not be reproduced for ethical reasons, Rare coexistence of disease or pathology
Shashi Kush AEF 1*, Suvendu Sekhar Jena
AE 1, Amitabh Yadav AE 1, Samiran Nundy AE 1
DOI: 10.12659/AJCR.952691
Am J Case Rep 2026; 27:e952691
Figure 2 (A) Intraoperative image showing the appendix (green arrow) adjacent to the small bowel (yellow arrow) and sigmoid colon (white arrow). (B) Fistulous communication between the tip of the appendix (green arrow) and the sigmoid colon (yellow arrow). (C) After division of the fistulous tract, a metal forceps is visible within the appendiceal lumen (green arrow). (D) After division of the fistulous tract, the opening in the sigmoid colon is visible separately, with a metal forceps inserted into the lumen (yellow arrow).