内镜窄带成像技术对食管胃黏膜异位的诊断意义
CHINESE JOURNAL OF DIGESTION(2009)
Abstract
食管胃黏膜异位(heterotopic gastrjc mucosa,HGM)是指胃黏膜出现于食管上段,引起相应临床症状的一种疾病.其常发生于颈段食管,多位于食管上括约肌下方,故又称食管人口斑(inlet patch)[1].HGM常伴有慢性炎性反应,黏膜充血可使HGM界限不清,常规内镜模式下观察容易漏诊.
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