腔内超音波(IDUS)が診断に有用であった十二指腸乳頭部癌の一例

概要

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A 64-year-old woman was admitted to a hospital for icterus and pancreatitis. Spontaneous decreases in the levels of bilirubin, c-reactive protein, alkalinephosphatase, and amylase were observed. After six weeks, she was referred to our hospital for endoscopic retrograde cholangiopancreatography (ERCP). ERCP demonstrated a filling defect occupying both the distal segment of the common bile duct (CBD) and the pancreatic duct of the papillary region. Intraductal ultrasonography from the main pancreatic duct (MPD) and from the CBD showed a intraductal solid tumor without any sign of invasion out of the respective ducts. Endoscopic ultrasonography showed an intraductal echogenic tumor occupying both the distal segment of the CBD and the MPD of the pailary region with no sign of invasion into the pancreas. Pyrolus preserved pancreatoduodenectomy was performed. Histological findings identified papillary cancer of the papilla Vateri with no invasion into the pancreas and the duodenum.
Kinki Brain Tumor Pathology Conferenceの論文