Esophageal cancer(EsC)is one of the least studied and deadliest cancers worldwide because of its extremely aggressive nature and poor survival rate.It ranks sixth among all cancers in mortality.In retrospective studie...Esophageal cancer(EsC)is one of the least studied and deadliest cancers worldwide because of its extremely aggressive nature and poor survival rate.It ranks sixth among all cancers in mortality.In retrospective studies of EsC,smoking,hot tea drinking,red meat consumption,poor oral health,low intake of fresh fruit and vegetables,and low socioeconomic status have been associated with a higher risk of esophageal squamous cell carcinoma.Barrett’s esophagus is clearly recognized as a risk factor for EsC,and dysplasia remains the only factor useful for identifying patients at increased risk,for the development of esophageal adenocarcinoma in clinical practice.Here,we investigated the epidemiologic patterns and causes of EsC.Using population based cancer data from the Surveillance,Epidemiology and End Results Program of the United States;we generated the most up-to-date stage distribution and 5-year relative survival by stage at diagnosis for 1998-2009.Special note should be given to the fact that esophageal cancer,mainly adenocarcinoma,is one of the very few cancers that is contributing to increasing death rates(20%)among males in the United States.To further explore the mechanism of development of EsC will hopefully decrease the incidence of EsC and improve outcomes.展开更多
目的:本研究旨在比较第6版和第7版国际抗癌联盟-美国癌症联合委员会(Union for International Cancer Control-American Joint Committeeon Cancer,UICC-AJCC)TNM分期系统在判断食管癌患者预后中的价值。方法:研究对象为2006年8月—2009...目的:本研究旨在比较第6版和第7版国际抗癌联盟-美国癌症联合委员会(Union for International Cancer Control-American Joint Committeeon Cancer,UICC-AJCC)TNM分期系统在判断食管癌患者预后中的价值。方法:研究对象为2006年8月—2009年9月在本院接受食管癌根治性切除术的400例食管癌患者,并按照第6版和第7版UICC-AJCC食管癌TNM分期系统分别进行TNM分期和临床分期。应用单因素分析(Kaplan-Meier法)和多因素分析(COX比例风险模型)探讨食管癌患者的预后相关因素。结果:无论是按照第6版还是第7版UICC-AJCC食管癌TNM分期系统,Ⅰ、Ⅱ以及Ⅲ+Ⅳ期患者的3年总生存率差异均有统计学意义(P<0.000)。按照第7版UICC-AJCC食管癌TNM分期系统,ⅢA、ⅢB和ⅢC期患者的3年总生存率差异有统计学意义(P=0.001);N0、N1、N2和N3患者的3年总生存率分别为71.8%、54.4%、31.6%和25.0%,差异有统计学意义(P<0.000)。COX比例风险模型多因素分析结果显示,无论是按照第6版还是第7版,肿瘤大小、分化程度、浸润深度(T分期)和区域淋巴结转移(N分期)因素均是食管癌根治性切除术后的独立预后因素(P<0.05)。结论:第6版还是第7版UICC-AJCC食管癌TNM分期系统均能较好地预测食管癌根治性切除术后患者的预后,肿瘤大小、分化程度、浸润深度(T分期)和区域淋巴结转移(N分期)因素都是重要的独立预后因素。鉴于第7版UICC-AJCC食管癌TNM分期系统更加细致,因此它能够更加准确地预测预后,对食管癌患者的临床治疗具有更佳的指导意义。展开更多
Endoscopic submucosal dissection(ESD) is currently accepted as the major treatment modality for superficial neoplasms in the gastrointestinal tract including the esophagus.An important advantage of ESD is its effectiv...Endoscopic submucosal dissection(ESD) is currently accepted as the major treatment modality for superficial neoplasms in the gastrointestinal tract including the esophagus.An important advantage of ESD is its effectiveness in resecting lesions regardless of their size and severity of fibrosis.Based on excellent outcomes for esophageal neoplasms with a small likelihood of lymph node metastasis,the number of ESD candidates has increased.On the other hand,ESD still requires highly skilled endoscopists due to technical difficulties.To avoid unnecessary complications including perforation and postoperative stricture,the indications for ESD require careful consideration and a full understanding of this modality.This article,in the highlight topic series,provides detailed information on the indication,procedure,outcome,complications and their prevention in ESD of superficial esophageal neoplasms.展开更多
文摘Esophageal cancer(EsC)is one of the least studied and deadliest cancers worldwide because of its extremely aggressive nature and poor survival rate.It ranks sixth among all cancers in mortality.In retrospective studies of EsC,smoking,hot tea drinking,red meat consumption,poor oral health,low intake of fresh fruit and vegetables,and low socioeconomic status have been associated with a higher risk of esophageal squamous cell carcinoma.Barrett’s esophagus is clearly recognized as a risk factor for EsC,and dysplasia remains the only factor useful for identifying patients at increased risk,for the development of esophageal adenocarcinoma in clinical practice.Here,we investigated the epidemiologic patterns and causes of EsC.Using population based cancer data from the Surveillance,Epidemiology and End Results Program of the United States;we generated the most up-to-date stage distribution and 5-year relative survival by stage at diagnosis for 1998-2009.Special note should be given to the fact that esophageal cancer,mainly adenocarcinoma,is one of the very few cancers that is contributing to increasing death rates(20%)among males in the United States.To further explore the mechanism of development of EsC will hopefully decrease the incidence of EsC and improve outcomes.
文摘目的:本研究旨在比较第6版和第7版国际抗癌联盟-美国癌症联合委员会(Union for International Cancer Control-American Joint Committeeon Cancer,UICC-AJCC)TNM分期系统在判断食管癌患者预后中的价值。方法:研究对象为2006年8月—2009年9月在本院接受食管癌根治性切除术的400例食管癌患者,并按照第6版和第7版UICC-AJCC食管癌TNM分期系统分别进行TNM分期和临床分期。应用单因素分析(Kaplan-Meier法)和多因素分析(COX比例风险模型)探讨食管癌患者的预后相关因素。结果:无论是按照第6版还是第7版UICC-AJCC食管癌TNM分期系统,Ⅰ、Ⅱ以及Ⅲ+Ⅳ期患者的3年总生存率差异均有统计学意义(P<0.000)。按照第7版UICC-AJCC食管癌TNM分期系统,ⅢA、ⅢB和ⅢC期患者的3年总生存率差异有统计学意义(P=0.001);N0、N1、N2和N3患者的3年总生存率分别为71.8%、54.4%、31.6%和25.0%,差异有统计学意义(P<0.000)。COX比例风险模型多因素分析结果显示,无论是按照第6版还是第7版,肿瘤大小、分化程度、浸润深度(T分期)和区域淋巴结转移(N分期)因素均是食管癌根治性切除术后的独立预后因素(P<0.05)。结论:第6版还是第7版UICC-AJCC食管癌TNM分期系统均能较好地预测食管癌根治性切除术后患者的预后,肿瘤大小、分化程度、浸润深度(T分期)和区域淋巴结转移(N分期)因素都是重要的独立预后因素。鉴于第7版UICC-AJCC食管癌TNM分期系统更加细致,因此它能够更加准确地预测预后,对食管癌患者的临床治疗具有更佳的指导意义。
文摘Endoscopic submucosal dissection(ESD) is currently accepted as the major treatment modality for superficial neoplasms in the gastrointestinal tract including the esophagus.An important advantage of ESD is its effectiveness in resecting lesions regardless of their size and severity of fibrosis.Based on excellent outcomes for esophageal neoplasms with a small likelihood of lymph node metastasis,the number of ESD candidates has increased.On the other hand,ESD still requires highly skilled endoscopists due to technical difficulties.To avoid unnecessary complications including perforation and postoperative stricture,the indications for ESD require careful consideration and a full understanding of this modality.This article,in the highlight topic series,provides detailed information on the indication,procedure,outcome,complications and their prevention in ESD of superficial esophageal neoplasms.
