PMC5836248_01
a Ultrasonography revealed an elongated bile duct stone (yellow arrows). b A bright hyperechoic line is evident inside the stone (yellow arrows). c Computed tomography scan showing a bile duct stone, containing a characteristic bright dot. d In partial maximum intensity projection, a 20-mm, linear, high-density area is shown.
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F1
Abdominal ultrasonography demonstrated a dilated common bile duct containing a stone of 30.2 x 16 x 12.9 mm having a linear hyperechoic internal area (Fig. 1a, b). Computed tomography (CT) scanning also revealed a common bile duct stone containing a characteristic bright dot in the transverse plane (Fig. 1c). A linear high-density area of a length of 20 mm was observed with partial maximum intensity projection (Fig. 1d), resulting in a diagnosis of acute cholangitis and obstructive jaundice due to a common bile duct stone containing a bone-like foreign body.
a A yellowish-brown, friable stone is cropping out of the choledochojejunostomy site. b A needle-shaped substance trapped in the basket catheter is visible.
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F2
This revealed a yellowish-brown, friable common bile duct stone cropping out of the choledochojejunostomy site (Fig. 2a). After removing several friable stones, we noted a needle-shaped substance trapped in the basket catheter (Fig. 2b).
a Cholangiogram showing an elongated filling defect in the bile duct (yellow arrows). b The needle-shaped substance was white, solid, and 20 mm in length, suggestive of a fish bone.
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F3
The cholangiogram showed an elongated filling defect in the bile duct (Fig. 3a). The foreign body was white, solid, needle shaped, and 20 mm in length (Fig. 3b).