|
|
Antral or prepyloric mucosal diaphragms (webs) are composed of mucosa which enclose a membrane of submucosa and located at the antrum of the stomach at variable distances from the pylorus. They may be congential in origin or secondary to chronic peptic ulcer disease. Obstructive symptoms occur when diaphragmatic aperture is less than 1 centimeter. The diagnosis relies on the history,... |
