畸形性吞咽困难(dysphagia due to vascular deformity)又称为动脉先天畸形(arterial deformity),以后因主动脉弓及其主要分支的先天异常压迫食管引起的吞咽困难综合征,总称为畸形性吞咽困难,又称为颈部畸形性吞咽困难(dysphagia due to cervical deformity)。[1]