Asymptomatic double aortic arch with compressed oesophagus in an adult.

1 of 2 DESCRIPTION A 56-year-old man presented with epigastralgia and had lost 10% of his body weight over a period of 6 months. The results of physical examination were normal. No abnormal shadow was detected on chest x-ray ( fi gure 1A ). Oesophagography showed compression of the oesophagus ( fi gure 1B , arrow), although the patient did not complain of dysphagia. Oesophagogastroduodenoscopy revealed compression against the outside of the oesophagus. Threedimensional image reconstruction of a contrast-enhanced CT scan showed an aberrant right subclavian artery ( fi gure 1C , arrow) and double aortic arch ( fi gure 1D , arrow and arrowhead indicate right and left aortic arches, respectively). Figure 2 showed these two aortic arches loop over the corresponding main bronchi, independently. The right aortic arch compressed the oesophagus. The patient’s Images in...