The aim of this prospective study was to evaluate the prevalence and specificity of ME in mucosal biopsies of the squamocolumnar junction (SCJ) from patients who had GERD, either with or without BE.

• 本前瞻性研究的目的就是评价ME在GERD患者鳞柱交界处（SCJ）粘膜活检中的出现率及特异性，这些患者伴有或不伴有BE。