Dilated esophageal peristalsis and retention of barium in piriform fossa

Poor esophageal peristalsis, dilatation, and barium retention in the piriformis are digestive symptoms of dermatomyositis and polymyositis. Dermatomyositis (DM) and polymyositis (PM) are currently considered to be autoimmune diseases. category. DM is a diffuse inflammation of the skin and muscles, erythema and edema appear on the skin, muscles are weak, painful, and swollen, which can be accompanied by joint pain and multiple organ damage such as lungs and heart muscle. PM has no skin damage.

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