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Title: [Pathological characteristics and survival analysis of 355 patients with gastroenteropancreatic neuroendocrine neoplasms].
Author: Li Y, Wang YF, Tan BB, Er LM, Zhao Q, Fan LQ, Zhang ZD, Liu Y.
Journal: Zhonghua Zhong Liu Za Zhi; 2020 May 23; 42(5):426-431. PubMed ID: 32482035.
Abstract:
Objective: Biological behavior, pathological characteristics and prognostic factors of 355 cases with gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) were analyzed in this retrospective study. Methods: In our study, 355 patients pathologically diagnosed as GEP-NENs were identified from April 2006 to November 2017 in the Fourth Hospital of Hebei Medical University. The biological behavior, pathological characteristics and prognosis were analyzed retrospectively. Results: There were 355 patients (228 males and 127 females) with a mean age of 58.3±10.7 years. GEP-NENs were detected most frequently in the stomach (48.2%), followed by the pancreas (16.1%), colorectum (14.1%), esophagus (7.6%), duodenum/jejunum(5.6%), liver (4.2%), appendix (2.3%) and gallbladder/bile duct (2.0%). The main clinical manifestations of non-functional GEP-NENs were abdominal pain (88/350, 25.14%), ventosity (77/350, 22.00%) and dysphagia (68/350, 19.43%), which were generally lacking specificity at the first diagnosis. 295 patients were treated surgically, including 45 cases of endoscopic resection and 250 cases of laparoscopic operation. Concerning to pathological grading, there were 22.5% (80/355) patients in grade 1 (G1), 12.7% (45/355) in grade 2 (G2), and 58.9% (209/355) in grade 3 (G3). The median follow-up time was 34 months. Furthermore, the 1-, 3- and 5-year overall survival calculated by Kaplan-Meier method were 80.1%, 59.8%, and 57.5%, respectively. Univariate analysis revealed that tumor site, treatment, operation type, depth of tumor invasion, TNM staging, pathological grading, vascular embolus, lymph node metastasis, tumor size, preoperative leukomonocyte level and preoperative plasma albumin were associated with overall survival (all P<0.05). Multivariate analysis showed that treatment, operation type, depth of tumor invasion, TNM staging, pathological grading, vascular embolus, lymph node metastasis and tumor size were independent prognostic factors for GEP-NENs (all P<0.05). Conclusions: The clinicopathological characteristics of GEP-NENs should be mastered by clinicians, and the standard treatment measures were also needed to be formulated based on the prognostic factors in order to improve the prognosis of patients. 目的： 探讨胃肠胰神经内分泌肿瘤(GEP-NENs)的生物学行为、病理特点及预后影响因素。 方法： 收集病理确诊的355例GEP-NENs患者的临床病理资料，并进行随访，分析其生物学特征、病理特征及预后影响因素。 结果： 355例患者中，男228例，女127例，年龄(58.3±10.7)岁。最常见的原发部位为胃(171例)，其次为胰腺(57例)、结直肠(50例)、食管(27例)、十二指肠及空肠(20例)、肝脏(15例)、阑尾(8例)、胆囊及胆管(7例)。无功能性GEP-NENs初次就诊临床表现缺乏特异性，临床表现主要为腹痛(88例)、腹胀(77例)、进食哽噎(66例)。295例患者行手术治疗，其中消化内镜手术45例，开腹、腔镜手术250例。分级为G1 80例，G2 45例，G3 209例。中位随访时间为34个月，1年生存率为80.1%，3年生存率为59.8%，5年生存率为57.5%。单因素分析显示，治疗方式、手术方式、肿瘤部位、浸润深度、TNM分期、病理分级、脉管瘤栓、肿瘤最大径、淋巴结转移、术前淋巴细胞计数、术前白蛋白水平与总生存有关(均P<0.05)。多因素分析显示，治疗方式、手术方式、肿瘤部位、浸润深度、TNM分期、病理分级、脉管瘤栓、肿瘤最大径、淋巴结转移状态是GEP-NENs患者预后的独立影响因素(均P<0.05)。 结论： 临床医师应掌握GEP-NENs的临床病理特征，根据其预后影响因素规范治疗措施，以改善患者的预后。.

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