Abstract
Portal annular pancreas is a uncommon congenital anomaly resulting from fusion of the pancreatic parenchyma around the portal vein. Its causing portal cavernoma formation and association with dorsal pancreatic agenesis is rare Case report We report a 51-year-old female who underwent contrast enhanced computed tomography for vague right hypochndrial pain.On CECT abdomen images there was presence of rind of pancreatic tissue around the portal vein causin its luminal narrowing with proximal dilation of portal vein tributaries with cavernoma formation.There was also presence of agenesis of dorsal pancreas in this patient.Conclusion This variant of portal annular pancreas with cavernoma formation associated with dorsal pancreatic agenesis has not yet been reported and we propose a new CT classification of the same.
Highlights
J Clinical Imaging and Interventional Radiology c) CECT images portal venous phase of 31 year old female showing(fig a) a rind of pancreatic tissue around portal vein(arrow) causing its luminal narrowing
There is presence of dorsal agenesis of pancreas(fig b) with dependant viscera sign(arrow).This is Type IV portal annular pancreas according to the new classification described in the text.Fig c shows dilated proximal portal channels with cavernoma formation(arrow)
Imaging plays a pivotal role in the diagnosis of portal annular pancreas and contrast-enhanced multi-detector computed tomography (MDCT) is considered sufficient enough to establish the diagnosis
Summary
J Clinical Imaging and Interventional Radiology c) CECT images portal venous phase of 31 year old female showing(fig a) a rind of pancreatic tissue around portal vein(arrow) causing its luminal narrowing. There is presence of dorsal agenesis of pancreas(fig b) with dependant viscera sign(arrow).This is Type IV portal annular pancreas according to the new classification described in the text.Fig c shows dilated proximal portal channels with cavernoma formation(arrow).
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