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Uncommon chronic cough caused by tracheobronchopathia osteochondroplastica
  1. Ying-Chun Chien1,
  2. Hao-Chien Wang1,
  3. Yeun-Chung Chang2,
  4. Yen-Fu Chen3
  1. 1Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
  2. 2Department of Radiology, National Taiwan University Hospital, Taipei, Taiwan
  3. 3Department of Internal Medicine, National Taiwan University Hospital, Yun-Lin Branch, Yun-Lin, Taiwan
  1. Correspondence to Dr Yen-Fu Chen, No.579, Sec 2, Yunlin Rd, Douliou City, Yun-lin County 640, Taiwan (ROC); yenfu1228{at}

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Case report

A 61-year-old non-smoking man, presented at our clinic with a 5-year history of chronic dry cough. He had undergone medication with antitussive agents for several years, but the drugs showed little therapeutic response. Chest radiographs did not show any apparent pulmonary parenchymal lesion, except for mildly higher density and irregularity over the tracheal border (figure 1A,B). CT scans showed diffuse submucosal calcified nodules protruding from …

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  • Competing interests None.

  • Patient consent Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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