Response letter to “Acute cholangitis: Does malignant biliary obstruction vs choledocholithiasis etiology change the outcomes?” with imaging aspects

Figure 1 Choledochal obstruction caused by calculus. A: Fat-suppressed T2 WI shows calculus (white arrows) in the dilated choledochal duct (circle) and bile sludge (orange arrow). The patient also has autosomal dominant polycystic kidney disease (orange arrows); B: HASTE coronal image shows calculus (white arrow) in the dilated choledochal duct (circle) with smooth borders (curved lines); C: Coronal computed tomography image shows a dilated choledochal duct (circle) with calculus (white arrow) P: Pancreas.