• Taylor N LaFlam, Andrew Phelps, Won-Tak Choi, and Aaron E Kornblith.
• Department of Pediatrics, University of California, San Francisco, San Francisco, California.
• J Emerg Med. 2020 Jun 1; 58 (6): e251-e254.

BackgroundAbdominal pain is a common presenting symptom with a broad array of potential etiologies. Meckel diverticulum (MD), the most common congenital gastrointestinal malformation, classically presents with painless gastrointestinal bleeding. However, it can also lead to diverticulitis, intussusception, or obstruction, manifesting as abdominal pain.Case ReportA 2-year-old boy presented to the emergency department with intermittent abdominal pain, vomiting, and loose stools. Abdominal ultrasound findings were consistent with ileitis and ileocolic intussusception, but no such intussusception was seen during fluoroscopic air enema. The patient was admitted for serial abdominal examinations and subsequently developed an acute abdomen. Emergent laparotomy revealed a perforated MD. Small bowel resection and primary anastomosis were performed and no complications developed. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: The presence of an MD can lead to diverticulitis, intussusception, or obstruction, putting the patient at risk of bowel perforation. As such, it is important to consider MD in the differential diagnosis of patients with abdominal pain. In cases in which sonographic findings are ambiguous or transient, additional observation or alternative imaging, such as computed tomography, should be strongly considered.Copyright © 2020 Elsevier Inc. All rights reserved.

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