Introduction: and importance: Meckel's Diverticulum (MD) is the most usual congenital anatomic abnormality of the gastrointestinal tract. It is present in almost 2% of the population and it rarely becomes symptomatic in adults. Herein, we report a rare case of an elderly woman with MD, its diagnostic algorithm and treatment, pointing out the significance of this pathology in the differential diagnosis of right lower quadrant pain.