作者从 X 线诊断的角度论述了这个专题。咽下困难的症状可表现为急性或慢性;部位也各不一致,多数病人通常能准确地指出阻塞感的部位。产生咽下困难感觉当时的食物类型有助于判断病变性质,如进食肉、鱼或禽类食物后产生咽下困难,提示可能有这类食物的骨质或肉团在咽 The author discusses this topic from the perspective of X-ray diagnosis. The symptoms of dysphagia can be acute or chronic; the locations are also different and most patients can usually pinpoint the site of obstruction. Produce dysphagia Feeling the type of food at the time to help determine the nature of the disease, such as eating meat, fish or poultry food swallowing difficulties, suggesting that there may be such food bone or meatball in the pharynx