Figure 4.
(A) CT scan – axial view at the time of diagnosis and after PTC indicating mass lesion near the ampulla of Vatter. (B) CT scan coronal view at the time of diagnosis and after PTC indicating mass lesion near the ampulla of Vatter. The stent of the PTC is obvious.
Abbreviations: CT, computed tomography; PTC, Percutaneous transhepatic cholangiography.