prepyloric

Prepyloric antral webs are relatively uncommon as a cause for gastrointestinal obstruction in infants and children.

摘要在肠胃道阻塞的原因，先天性幽门前窦蹼为一相当罕见之原因。

One of them showed a small filling defect at the greater curvature of prepyloric region. 5 cases were mainly ulcerative in appearance.

其1表现为胃窦幽门前区大弯侧充盈缺损;5溃疡病变为主;