Lemmel syndrome: An unexpected clinical presentation of obstructive jaundice – A case report

Abstract Introduction and importance: Lemmel syndrome is a rare condition causing obstructive jaundice, resulting from the compressive effect of a periampullary diverticulum (PD) on the common bile duct (CBD). This syndrome is unique as it occurs in the absence of gallstones or tumors. Accurate diagnosis is critical to prevent unnecessary interventions. Case presentation: We present the case of a 66-year-old man who developed generalized jaundice, significant weight loss, and epigastric pain. Diagnostic imaging, including ultrasound, computed tomography (CT), and magnetic