Introduction: Acute appendicitis is a disease with multifactorial etiology and frequently includes lumen obstruction. Appendicoliths can pose a challenge during the appendectomy procedure if not identified.
Methods: This is a prospective case series at our academic institution involving two medically free patients with intra-abdominal abscess formation secondary to an overlooked appendicolith who were treated conservatively with a follow up period of one year for each patient.