PMC5724984_01
A: Computer Tomographic scan (coronal plane) of the abdomen at time of diagnosis. B/C: Fig. 1B and 1C shows the venous and arterial phases of the Computer Tomographic scan (axial plane) of the abdomen at time of diagnosis respectively. White arrows demarcate the 4.0 x 4.4 cm ill-defined hypovascular mass in the pancreatic head.
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Computer Tomography of the abdomen and pelvis (CTAP) revealed marked dilatation of the intrahepatic and common bile ducts with an abrupt cutoff proximal to a 4.0 x 4.4 cm ill-defined hypovascular mass in the pancreatic head (Fig. 1A-C - white arrows).
A: Computer Tomographic scan (coronal plane) of the abdomen 4 months after time of diagnosis. B: Venous phase of Computer Tomographic scan (axial plane) of the abdomen 4 months after time of diagnosis. White arrow demarcates region of previously identified hypovascular pancreatic head mass. C: Position Emission Tomography scan with absence of any appreciable fluorodeoxyglucose (FDG) avid focus in the pancreas.
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A CTAP scan 4 months after initial diagnosis revealed that the intrahepatic and common bile duct biliary dilatation previously observed had resolved and the previously noted HOP tumor was no longer identified (Fig. 2A and B). Tomography-Computer Tomography (PET-CT) scan revealed an absence of any appreciable fluorodeoxyglucose (FDG) avid focus in the pancreas (Fig. 2C). These findings were reviewed and agreed upon at Hepatopancreatobiliary multidisciplinary tumor conference.