Matilde Lico,Giancarlo Gismondo Velardi,Rachele Lazzeroni,Angela Teti,Ilaria V. Trecroci,Rosario Maccarone,Letterio Militano,Giuseppe Casuscelli,Michela BASILE,Sveva Loria,Saverio Loria,Francesco Loria, Acute Appendicitis with Retroperitoneal Ectopic Location from Ascending Colon Surgery Case Reports 2024 2733-225X http://dx.doi.org/10.31487/j.JSCR.2024.01.04 https://www.sciencerepository.org/acute-appendicitis-with-retroperitoneal-ectopic_JSCR-2024-1-104 Abstract: Anatomical variant of appendix are very rare, but is important to detect variations of localization for an immediate and correct diagnosis, avoiding complications. Such occurrences can mimic other pathologies and ultrasound examination often does not allow to obtain a precise diagnosis. In this case report, Computed Tomography allowed us to diagnose an inflamed appendix originating from the ascending colon, allowing timely and targeted surgery.Keywords: Appendix, appendicitis, computed tomography, ectopic appendix, acute abdomen