PMC4108755_01
Moulded calculus mimicking a stenosis
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F0001
The two balloting deposits in the distal part were removed (Figure 1).
Fragmented calculus
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F0002
Cholangiography was conducted as a prelude to cholangioscopy, and the stenosis was not found; instead, many fragile, fragmented deposits and air bubbles were visible during the trials of concrement removal (Figure 2).
Removed calculus
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F0003
The examination demonstrated that the narrowing was the effect of low density, moulding pigment deposits, fragmented by the prosthesis in the bile duct tree (Figure 3).