esophageal web(redirected from Oesophageal web)
a congenital or acquired transverse fold of the mucous membrane and sometimes the deeper layers of the esophagus often causing dysphagia, usually in the lower half of the esophagus.
esophageal webA 2-3 mm in thickness stricture composed of mucosa and submucosa only, which is located anywhere along the length of the esophageal lumen; upper esophageal webs occur in the upper 2-4 cm of the esophagus, are lined by squamous epithelium, often associated with the Plummer-Vinson syndrome, and after yrs may evolve into postcricoid carcinoma; webs in the body of the esophagus may be multiple, represent embryonal remnants and may be associated with esophageal reflux; the lower esophageal web is a thin membrane marking the squamocolumnar junction and is seen in ±10% of normal subjects; symptomatic subjects may suffer intermittent dysphagia and impaction of a bolus of food Treatment Intraluminal balloon dilatation. See Café coronary.
e·soph·a·ge·al web(ē-sofă-jēăl web)
Congenital or acquired transverse fold of the mucous membrane and sometimes the deeper layers of the esophagus often causing dysphagia, usually in the lower half of the esophagus.