The disease diversity was 18 cases of achalasia, 12 cases of esophageal leiomyoma, 3 cases of esophag eal cyst, 1 case of diffused esophageal spasm and 1 case of combined esophageal leiomyoma and epiphernic diverticulum.

• 其中贲门失弛缓症 18例 ,食管平滑肌瘤 12例 ,食管囊肿 3例 ,膈食管憩室伴平滑肌瘤 1例 ,弥漫性食管痉挛 1例。