HighlightsDe Garengeot’s hernias constitute an extremely rare condition associated with emergency surgery.Suspicion and experience are crucial for correct management, as no therapeutic or diagnosis consensus has been reached.A single surgical procedure can be performed to treat both pathologies; incarcerated hernia and strangulated appendix.An open preperitoneal approach permits correct visualization of the sac contents and permits appendectomy and hernia repair.When a complication is found, such as local perforation or abscess, a two-step abdominal wall repair should be considered.