Smooth, circumferential ring of squamous mucosa, often responsible for causing difficulty swallowing (dysphagia), which can be located anywhere
along the esophagus, and which may be asymptomatic.
Left: Symptomatic cervical esophageal web found in the cervical esophagus in a 71 year-old man.
Center: Asymptomatic ring incidentally found in the proximal esophagus of a 40 year-old man.
Right: Asymptomatic, nonobstructing partial web found in the midesophagus of a 74 year-old woman.
Left and Center: Thin, delicate mucosal web in the proximal esophagus of a 77 year woman, with no esophageal symptoms.
Right: Mucosal web in the cervical esophagus of a 55 year-old man with dysphagia. Symptoms resolved following dilation.
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