Methods:AB-PAS and HID-AB histochemical methods were performed to detect IM in tissue adjacent to GCA(n=70) and gastric cardia biopsy tissue from symptom-free subjects(n=320).

• 方法:采用艾显蓝-雪夫(AB-PAS)和高铁二胺-艾显兰(HID-AB)黏液组织化学染色法,对河南贲门癌高发区70例贲门癌癌旁组织和320例无症状人群贲门黏膜活检组织中的IM进行检测。