Chilaiditi Sign and Chilaiditi Syndrome in Pregnancy.

BACKGROUND: Chilaiditi syndrome is a rare condition characterized by impaired fixation of the colon resulting in symptoms secondary to colonic interposition. It commonly presents with nonspecific abdominal pain and constipation, making clinical diagnosis difficult, especially in pregnancy. CASE REPORT: A 29-year-old afebrile woman in the week 28 of pregnancy presented with right-sided abdominal pain and constipation. With an Alvarado score of 6, the working diagnoses were acute appendicitis and intestinal obstruction. After a normal transabdominal ultrasound, emergent abdominal magnetic resonance imaging showed abnormal fixation of hepatic flexure wedged between the falciform ligament and liver. Without clinical, laboratory, and radiologic signs of complete obstruction or colonic perforation, conservative therapy was introduced and was successful. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: Symptoms associated with Chilaiditi syndrome in pregnancy include nonspecific abdominal pain, and the correct preoperative diagnosis is difficult. The most common differential diagnoses are intestinal obstruction and acute appendicitis. It is important to diagnose Chilaiditi syndrome early because it can lead to severe complications, including intestinal obstruction, perforation, and ischemia. Therefore, in patients with right-sided abdominal pain with inconclusive transabdominal ultrasound, emergent magnetic resonance imaging leads to early diagnosis and treatment, minimizes maternal and fetal complications, avoids unnecessary explorations, and shortens the hospitalization.