Presentation of gallbladder torsion at an abnormal position: A case report

Figure 1 Physical examination showing a mass in the region around the umbilicus.

Figure 2 Ultrasonography showing a cystic mass in the lower abdomen and upper pelvis with multiple highly echoic nodules.

Figure 3 Computed tomography showing a cystic mass in the lower abdomen and upper pelvis with multiple nodules of high-density calcifications.

Figure 4 Magnetic resonance cholangiopancreatography showing a V-shaped distortion of the extrahepatic bile ducts and a particularly extended twisted cystic duct, called “twisting signs”.

Figure 5 Chest computed tomography before surgery showing spinal deformities.

Figure 6 Decompressed gallbladder.

Figure 7 Histopathological findings showing acute gangrenous cholecystitis.