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Serum tumor markers not useful in screening patients with pancreatic mucinous cystic lesions associated with malignant changes

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Hepatobiliary & Pancreatic Diseases International 2016年第5期15卷 553-557页

作者： Raffaele Pezzilli Lucia Calculli Gianvico Melzi d'Eril Alessandra Barassi Department of Digestive System Sant’Orsola-Malpighi Hospital Department of Radiology Sant’Orsola-Malpighi Hospital Department of Health Sciences SanPaolo HospitalUniversity of Milan

BACKGROUND: Serum cancer antigen 19-9 (CA19-9) pro-vides additional information about mucinous cystic pancre-atic neoplasm (MPN). This study was undertaken to assess both CA19-9 and carcinoembryonic antigen (CEA) serum concentrations in consecutive patients affected by MPNs and other chronic benign and malignant pancreatic diseases. We also evaluated whether serum CA19-9 and CEA determina-tions provide additional information such as the presence of invasive carcinoma in MPN patients. METHODS: Serum CA19-9 and CEA from 91 patients with pancreatic diseases were tested by commercially available kits at the time of diagnosis. The upper reference limit of serum CA19-9 was 37 U/mL and that of serum CEA was 3 ng/mL. RESULTS: Thirty-ifve patients was diagnosed with chronic pancreatitis (CP), 32 with MPN, and 24 with pancreatic ductal adenocarcinoma (PDAC) conifrmed histologically. Surgery was carried out in 5 CP patients, in 10 MPN patients (7 of them had severe dysplasia), and 9 PDAC patients. Serum CA19-9 activity was high in 12 (34.3%) CP patients, in 7 (21.9%) MPN patients, and in 12 (50.0%) PDAC patients (P=0.089). High se-rum CEA concentrations were noted in 6 (17.1%) CP patients, in 6 (18.8%) MPN patients, and in 12 (50.0%) PDAC patients (P=0.010). In the 7 MPN patients associated with histological-ly conifrmed severe dysplasia, 3 (42.9%) patients had elevated serum activity of serum CA19-9, and 2 (28.6%) patients had high levels of CEA. CONCLUSION: Serum determination of oncological markers is not useful in selecting MPN patients with malignant changes.

关键词： cancer antigen 19-9 carcinoembryonic antigen cystic pancreatic neoplasms chronic pancreatitis pancreatic ductal adenocarcinoma laboratory assessment

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