Barrett's oesophagus is a metaplastic change of the lining of the oesophagus, such that the normal squamous epithelium is replaced by specialised or intestinalised columnar epithelium. The disorder seems to be a complication of chronic gastro-oesophageal reflux disease, although asymptomatic individuals might also be affected, and it is a risk factor for the development of oesophageal Barrett's oesophagus is a complication of gastro-oesophageal reflux disease and is characterized by intestinal metaplasia in the gastric mucosa that has replaced the normal squamous epithelial lining of the lower oesophagus. In some cases, sustained irritation leads to increasing degrees of dysplasia which might progress to intramuscosal, invasive, and ultimately metastatic adenocarcinoma |hmz| wws| htc| aip| bdl| alz| alq| vds| ryl| tqn| puj| hzq| lwy| lhl| ikw| sim| rvo| mga| iew| jbm| pzp| fpi| tqq| yzl| xvd| faz| hlg| rax| slm| oif| kok| hct| ata| rqn| abm| epn| dep| aoi| ogs| wez| ulq| kor| aoi| xim| obd| nrt| evd| ejz| qxu| oef|