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With an aim to find a clue for CT diagnosis in detecting smaller carcinoma of the pancreas, a comparative study on four cases of the resected pancreatic carcinoma was performed based on CT findings and histology. The following conclusions have been drawn: (A) a few number of well-defined, thick low density areas in small round shape existing in the central part of the pancreatic parenchyma, and (B) a finding of slightly dilated main pancreatic duct are two major important clues for detection of smaller pancreatic carcinoma.A low density area was histologically interpreted as cross-section of the dilated main or branching pancreatic ducts, which was not caused by necrosis. These two major clues (A & B) are frequently observed in either case of chronic pancreatitis or pancreatic cyst; however, our results suggest that we must be sensitive for a possibility of small carcinoma of the pancreas when we encounter these clues. CT scan with 5mm spacing is recommended.
財団法人日本消化器病学会の論文