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- W3030132514 abstract "Objective To analyze the clinicopathological characteristics,diagnosis,treatment outcomes and prognosis of patients with pancreatic neuroendocrine tumors (PanNETs).Methods The clinicopathological characteristcs and prognostic factors of 88 patients who were diagnosed with pancreatic neuroendocrine tumors by postoperative pathology were analyzed retrospectively.The data included age,sex,symptoms,tumor size,pathological grades,TNM staging,treatment and follow up.Results There were 28 males and 60 females.The ratio of male to female was 1 ∶ 2.1,with a mean age of 42 (range 8～75) years.Of the 88 PanNETs,74(84.1％) were nonfunctional tumors.Using the WHO 2000 pathological classification system,there were 35 well differentiated endocrine tumors (WDET),29 well differentiated endocrine carcinomas (WDEC),and 24 poorly differentiated endocrine carcinomas (PDEC).Using the 7th AJCC TNM staging system,23(26.1％),46(52.3％),13(14.8％) and 6 patients (6.8％) were diagnosed to have stage Ⅰ,Ⅱ,Ⅲ and Ⅳ,respectively.The overall 5-year survival rate was 72.0 ％.Univariable analysis revealed tumor size,histopathological grades,TNM staging and radical surgery were associated with prognosis.Multivariate analysis showed histopathological grades,TNM staging and radical surgery were independent risk factors of survival.Conclusions PanNETs are rare pancreatic neoplasms with high heterogeneity and low malignant potential.PanNETs have various clinical manifestations and the preoperative misdiagnosis rate is high.A definitive diagnosis depends on pathological examination.The new TNM and pathological classification systems have good predictive abilities on survival.The majority of patients who received radical surgery or surgical comprehensive therapy have good prognosis.Key words: Pancreatic neoplasms; Diagnosis; Therapy; Prognosis" @default.
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- W3030132514 date "2013-10-28" @default.
- W3030132514 modified "2023-09-26" @default.
- W3030132514 title "Pancreatic neuroendocrine tumors: an analysis of 88 patients" @default.
- W3030132514 doi "https://doi.org/10.3760/cma.j.issn.1007-8118.2013.10.003" @default.
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