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Esophageal dysphagia : ウィキペディア英語版
Esophageal dysphagia

Esophageal dysphagia arises from the body of the esophagus, lower esophageal sphincter, or cardia of the stomach, usually due to mechanical causes or motility problems.〔(【引用サイトリンク】title=Evaluation and Treatment of Swallowing Impairments - April 15, 2000 - American Academy of Family Physicians )
==Symptoms, signs, and evaluation==
Patients usually complain of dysphagia (the feeling of food getting stuck ''several seconds'' after swallowing), and will point to the suprasternal notch or behind the sternum as the site of obstruction. If there is dysphagia to both solids and liquids, then it is most likely a motility problem. If there is dysphagia initially to solids but progresses to also involve liquids, then it is most likely a mechanical obstruction. Once a distinction has been made between a motility problem and a mechanical obstruction, it is important to note whether the dysphagia is intermittent or progressive. An intermittent motility dysphagia likely can be diffuse esophageal spasm (DES) or nonspecific esophageal motility disorder (NEMD). Progressive motility dysphagia disorders include scleroderma or achalasia with chronic heartburn, regurgitation, respiratory problems, or weight loss. Intermittent mechanical dysphagia is likely to be an esophageal ring. Progressive mechanical dysphagia is most likely due to peptic stricture or esophageal cancer.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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