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Obstructive sleep apnoea syndrome related to double aortic arch
  1. Shih-Tsung Cheng1,2,
  2. Chou-Chin Lan2,3
  1. 1Department of Cardiology, Buddhist Tzu Chi General Hospital, Taipei Branch, Taiwan, Republic of China
  2. 2School of Medicine, Tzu-Chi University, Hualien, Taiwan, Republic of China
  3. 3Division of Pulmonary Medicine, Buddhist Tzu Chi General Hospital, Taipei Branch, Taiwan, Republic of China
  1. Correspondence to Dr Chou-Chin Lan, Division of Pulmonary Medicine, Buddhist Tzu Chi General Hospital, Taipei Branch, 289 Jianguo Road, Xindian City, Taipei County 23142, Taiwan, Republic of China; bluescopy{at}yahoo.com.tw

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A 24-year-old man presented to our hospital with exertional dyspnoea and non-productive cough for many years. A plain chest roentgenogram showed widening of the upper mediastinum with external compression of the trachea (figure 1A), and the lateral view suggested the presence of an isodensity double contour at the aortic arch (figure 1B). A CT angiography revealed a narrow-necked double aortic arch (DAA) with partial encirclement of the trachea (figure 2 …

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