06 July 2026
: Case report 
Diagnostic Challenge of Sequential Appendicitis in a Patient With Appendiceal Duplication: A Case Report
Congenital defects / diseases
Adonys Hidalgo López
ABCDEFG 1, Héctor Rafael Ochomogo García ABCDEFG 2, Juan Sebastian Asteguieta Castillo ABCDEFG 1*, Carlos Diaz Q ABCDEFG 1
DOI: 10.12659/AJCR.953106
Am J Case Rep 2026; 27:e953106
Figure 1 Sequential appendicitis in type B2 appendiceal duplication(A) Macroscopic cross-sectional view of the appendix obtained during the first intervention (initial open appendectomy), demonstrating luminal dilation and transmural inflammatory changes consistent with acute appendicitis. (B) Macroscopic and sectional views of the second appendix resected during the subsequent intervention, identified retrocecally along the omental tenia coli. The specimen shows wall thickening, luminal obstruction, and perforation in the middle third, confirming acute appendicitis in the duplicated appendix.