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1Biomarkers of Barrett's esophagus显示文摘Barrett's esophagus is the strongest risk for esophageal adenocarcinoma(EAC). Metaplasia in patients with BE may progress to dysplasia and then invasive carcinoma. Well-defined diagnostic, progressive, predictive, and prognostic biomarkers are needed to identify the presence of the disease, estimate the risk of malignant transformation, and predict the therapeutic outcome and survival of EAC patients. There are many predictive and prognostic markers that lack substantial validation, and do not allow stratification of patients with gastroesophageal reflux disease in clinical practice for outcome and effectiveness of therapy. In this short review we summarize the current knowledge regarding possible biomarkers, focusing on the pathophysiologic mechanisms to improve prognostic and therapeutic approaches.Yasser Mahrous Fouad Ibrahim Mostafa Reem Yehia Hisham El-Khayat 2014World Journal of Gastrointestinal Pathophysiology2014,5,4:1
2Low grade dysplasia in Barrett's esophagus:Should we worry?显示文摘The optimal management for low-grade dysplasia(LGD)in Barrett’s esophagus is unclear.In this article the importance of LGD is discussed,including the significant risk of progression to esophageal adenocarcinoma.Endoscopic surveillance is a management option but is plagued by sampling error and issues of suboptimal endoscopy.Furthermore endoscopic surveillance has not been demonstrated to be cost-effective or to reduce cancer mortality.The emergence of endoluminal therapy over the past decade has resulted in a paradigm shift in the management of LGD.Ablative therapy,including radiofrequency ablation,has demonstrated promising results in the management of LGD with regards to safety,cost-effectiveness,durability and reduction in cancer risk.It is,however,vital that a shareddecision making process occurs between the physician and the patient as to the preferred management of LGD.As such the management of LGD should be'individualised.'Vamshi P Jagadesham Clive J Kelty 2014World Journal of Gastrointestinal Pathophysiology2014,5,2:1
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