Background: Appendicitis caused by a foreign body is extremely rare. We report a case of chronic appendicitis caused by a perforating fish bone.

Case Report: The patient was a 50-year-old Japanese man. He felt dull lower abdominal pain for 2 months and diagnosed as appendicitis caused by a perforating fish bone. He underwent emergency laparoscopic surgery. The fish bone had perforated through the appendix wall. The fish bone was initially removed followed by laparoscopic appendectomy. Pathological investigation revealed a transmural cut line of approximately 0.5 mm that was surrounded by fibrous tissue with inflammation.

Conclusion: This is the first reported case of fish bone-induced chronic appendicitis that underwent laparoscopic appendectomy. For optimum outcome, a correct diagnosis based on a detailed consultation and imaging tests, and an operation performed after careful planning are needed.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9301403PMC
http://dx.doi.org/10.21873/invivo.12922DOI Listing

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