Gastroenterologie clinique et biologique · 1997
[Intraductal papillary mucinous tumors of the pancreas. Clinical and morphological aspects in 30 patients].
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Barbe L, Ponsot P, Vilgrain V, Terris B, Fléjou J F, Sauvanet A, Belghiti J, Hammel P, Ruszniewski P, Bernades P
Аннотация
AIM: Intraductal papillary-mucinous tumors of the pancreas are rare and characterized by a malignant potential. The aim of this study was to clarify their clinical presentation and the performance of different imaging procedures to determine malignancy and tumor extent.
METHODS: Medical records and radiographs of 30 patients with histologically confirmed intraductal papillary-mucinous tumor of the pancreas were reviewed retrospectively. Imaging procedures were compared with pathological data of resected pancreas to evaluate their performances.
RESULTS: The most frequent symptom was acute pancreatitis (37%). The onset of symptoms preceded the diagnosis by 2.5 years. Diabetes mellitus and diarrhea were respectively detected in 33 and 23% of the cases. The combination of CT scan, endoscopic retrograde cholangiopancreatography and endosonography allowed correct diagnosis of intraductal papillary-mucinous tumor of the pancreas in 100% of the cases. Tumor extent could be accurately determined considering the location of cystic dilatation of the pancreatic ducts, the presence of intraductal material or parietal irregularity. Actuarial 2-year survival rate was 43% in patients with malignant tumors. Radiological factors predicting malignancy were: vascular invasion, common bile duct dilatation, stricture of the main pancreatic duct and the presence of solid component in the tumor.
CONCLUSION: The combination of CT scan, ERCP and endosonography provide accurate diagnosis of intraductal papillary-mucinous tumor of the pancreas as well as assessment of tumor extent and malignancy.
METHODS: Medical records and radiographs of 30 patients with histologically confirmed intraductal papillary-mucinous tumor of the pancreas were reviewed retrospectively. Imaging procedures were compared with pathological data of resected pancreas to evaluate their performances.
RESULTS: The most frequent symptom was acute pancreatitis (37%). The onset of symptoms preceded the diagnosis by 2.5 years. Diabetes mellitus and diarrhea were respectively detected in 33 and 23% of the cases. The combination of CT scan, endoscopic retrograde cholangiopancreatography and endosonography allowed correct diagnosis of intraductal papillary-mucinous tumor of the pancreas in 100% of the cases. Tumor extent could be accurately determined considering the location of cystic dilatation of the pancreatic ducts, the presence of intraductal material or parietal irregularity. Actuarial 2-year survival rate was 43% in patients with malignant tumors. Radiological factors predicting malignancy were: vascular invasion, common bile duct dilatation, stricture of the main pancreatic duct and the presence of solid component in the tumor.
CONCLUSION: The combination of CT scan, ERCP and endosonography provide accurate diagnosis of intraductal papillary-mucinous tumor of the pancreas as well as assessment of tumor extent and malignancy.