Snapshot A 58-year-old woman with iron deficiency anemia presents to her primary care physician complaining of difficulty swallowing. She reports no difficulties with liquids. On exam, she is pale and has spoon-shaped fingernails. Dysphagia is evaluated by upper endoscopy which reveals a thin web-like tissue in the upper esophagus. Introduction Clinical definition login to view 1 more bullet Associated conditions login to view 1 more bullet Epidemiology Most commonly observed in postmenopausal women Rare ETIOLOGY Pathogenesis login to view 1 more bullet Presentation Symptoms login to view 6 more bullets Physical exam login to view 4 more bullets imaging Upper gastrointestinal barium swallow radiography login to view 1 more bullet Video fluoroscopic swallowing exam login to view 1 more bullet Other studies login to view 3 more bullets Studies Laboratory studies login to view 6 more bullets Differential Schatzki ring login to view 2 more bullets Post-cricoid cancer login to view 2 more bullets Achalasia login to view 2 more bullets Treatment Medical login to view 2 more bullets Interventional login to view 3 more bullets Complications Squamous cell carcinoma of the esophagus, oral cavity, or hypopharynx Aspiration