例1,女,18岁。以剑突下疼痛伴呃气1月入院。体检:心肺未见异常,剑下压痛,无反跳痛,查大便隐血阳性,胃镜下见食管中下段充血,近贲门约4cm长粘膜呈红色柔软类似胃粘膜样改变,齿状线上2cm有0.3cm×2.0cm之溃疡,表面平坦,附黑苔,全胃粘膜充血,胆汁返流(),取溃疡周围组织行病理检查 Example 1, female, 18 years old. With xiphoid pain with uh gas admission in January. Physical examination: no abnormal heart and lungs, tenderness under the sword, no rebound tenderness, positive stool occult blood test, gastroscopy under the esophagus in the lower part of the hyperemia, about 4cm long cardia mucosa was red soft similar gastric mucosa-like changes, dentate line 2cm 0.3cm × 2.0cm of ulcer, the surface is flat, with black moss, the whole gastric mucosal hyperemia, bile reflux (), take the ulcer tissue around the line pathological examination