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Amyand's Hernia: A Systematic Review of Clinical Presentations, Surgical Management, and Outcomes in an Uncommon
Shikha Tiwari1, Ramendra Jauhari1, Sumit Bhaskar1,2
1General Surgery, Ganesh Shankar Vidyarthi Memorial (GSVM) Medical College, Kanpur, IND.
Abstract:
Amyand's hernia, defined as the presence of the appendix within an inguinal hernia sac, is rare but poses diagnostic and operative challenges. Its management remains controversial, particularly regarding appendectomy and mesh use in contaminated settings. We conducted a Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA)-guided systematic review of English-language case reports and series published between 2000 and March 2025. Databases were searched using standardized terms; inclusion required cases with operative and outcome details. After excluding review studies and studies for which full articles were not available, we identified seven studies encompassing 17 cases of Amyand's hernia over a 20-year period. Data extracted encompassed demographics, clinical presentation, intraoperative findings per Losanoff-Basson classification, operative technique, mesh usage, postoperative outcomes, follow-up, and recurrence. Classification and contamination-guided strategies remain central. Mesh repair appears safe in clean or minimally contaminated settings, whereas gross contamination favors tissue repair or staged reconstruction.
Insights
Amyand's hernia, where the appendix is in an inguinal hernia, presents challenges. Management strategies depend on contamination levels, with mesh repair suitable for clean cases and tissue repair for contaminated ones.
Area of Science:
- Surgery
- Gastroenterology
Background:
- Amyand's hernia involves the appendix within an inguinal hernia sac.
- Its diagnosis and surgical management, especially concerning appendectomy and mesh use in contaminated fields, remain debated.
Purpose of the Study:
- To systematically review the literature on Amyand's hernia management.
- To analyze operative techniques, outcomes, and recurrence based on contamination levels.
Main Methods:
- A PRISMA-guided systematic review of English-language case reports and series (2000-2025).
- Inclusion criteria required operative and outcome details; review studies were excluded.
- Data extraction focused on demographics, presentation, intraoperative findings (Losanoff-Basson classification), and surgical outcomes.
Main Results:
- Seventeen cases of Amyand's hernia were identified across seven studies over 20 years.
- Mesh repair was deemed safe in clean or minimally contaminated settings.
- Gross contamination favored tissue repair or staged reconstruction.
Conclusions:
- Management of Amyand's hernia should be guided by classification and contamination level.
- Mesh repair is a viable option for non-contaminated inguinal hernias with appendiceal involvement.
- Contaminated cases necessitate tissue repair or delayed reconstruction to minimize complications.
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