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Analysis of 72 patients with colorectal high-grade neuroendocrine neoplasms from three Chinese hospitals

查看全文 作　　者：Zhi-Jie [1]Wang;Ke [2]An;Rui [3]Li;Wei [4]Shen;Man-Dula [1]Bao;Jin-Hua [5]Tao;Jia-Nan [1]Chen;Shi-Wen [1]Mei;Hai-Yu [1]Shen;Yun-Bin [1]Ma;Fu-Qiang [1]Zhao;Fang-Ze [1]Wei;Qian [1]Liu 高影响力作者 机构地区：[1]Department of Colorectal Surgery,National Cancer Center/Cancer Hospital,Chinese Academy of Medical Sciences and Peking Union Medical College,Beijing 100021,China;[2]Department of General Surgery,China-Japan Friendship Hospital,Beijing 100029,China;[3]Department of General Surgery,Beijing Hospital,Beijing 100730,China;[4]Department of Orthopedics,Lanzhou University Second Hospital,Lanzhou 730030,China;[5]Department of Colorectal Surgery,University of Chinese Academy of Sciences Zhejiang Cancer Hospital,Hangzhou 310022,China高影响力机构 出　　处：《World Journal of Gastroenterology》索引2019年第25卷第34期,共13页高影响力期刊 基　　金：Supported by the Medicine and Health Technology Innovation Project of Chinese Academy of Medical Sciences,No.2017-12M-1-006 摘　　要：BACKGROUND Colorectal high-grade neuroendocrine neoplasms(HGNENs)are rare and constitute less than 1%of all colorectal malignancies.Based on their morphological differentiation and proliferation identity,these neoplasms present heterogeneous clinicopathologic features.Opinions regarding treatment strategies for and improvement of the clinical outcomes of these patients remain controversial.AIM To delineate the clinicopathologic features of and explore the prognostic factors for this rare malignancy.METHODS This observational study reviewed the data of 72 consecutive patients with colorectal HGNENs from three Chinese hospitals between 2000 and 2019.The clinicopathologic characteristics and follow-up data were carefully collected from their medical records,outpatient reexaminations,and telephone interviews.A survival analysis was conducted to evaluate their outcomes and to identify the prognostic factors for this disease.RESULTS According to the latest recommendations for the classification and nomenclature of colorectal HGNENs,61(84.7%)patients in our cohort had poorly differentiated neoplasms,which were categorized as high-grade neuroendocrine carcinomas(HGNECs),and the remaining 11(15.3%)patients had well differentiated neoplasms,which were categorized as high-grade neuroendocrine tumors(HGNETs).Most of the neoplasms(63.9%)were located at the rectum.More than half of the patients(51.4%)presented with distant metastasis at the date of diagnosis.All patients were followed for a median duration of 15.5 mo.In the entire cohort,the median survival time was 31 mo,and the 3-year and 5-year survival rates were 44.3%and 36.3%,respectively.Both the univariate and multivariate analyses demonstrated that increasing age,HGNEC type,and distant metastasis were risk factors for poor clinical outcomes.CONCLUSION Colorectal HGNENs are rare and aggressive malignancies with poor clinical outcomes.However,patients with younger age,good morphological differentiation,and without metastatic disease can have a relatively favorable prognosis. 关 键 词：COLON RECTUM NEUROENDOCRINE NEOPLASM Metastasis Prognosis
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