Tag: Squamous
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Esophagus
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A- succinctly Knowing the functional anatomy of the esophagus: The esophagus is a tubular organ lined with squamous epithelium. His muscle structure, extrinsic innervation (vagus) and intrinsic (autonomous nerve plexus) allow the propulsion of pharyngeal food to the stomach. The main element opposing the reflux of gastric contents is the lower esophageal sphincter (LES). B-…
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Esophageal cancer
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A- esophageal squamous cancer: definition, incidence, epidemiological and etiological factors Squamous esophageal cancer, like other cancers of the upper aerodigestive sphere develops from the squamous epithelium. Its incidence is relatively high in France, particularly in the western regions (incidence of 30 per 100,000 inhabitants), where the primary role of alcohol and tobacco has been shown,…
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