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Paediatric lung disease
Unusual cause of trepopnea
  1. Suat Yee Lee1,2,
  2. Juo-Hau Su3,4,
  3. Chia-Chen Chang5,
  4. Fatt Yang Chew5,6
  1. 1Department of Pathology, Chung Shan Medical University Hospital, Taichung, Taiwan
  2. 2School of Medicine, Pathology, Chung Shan Medical University, Taichung, Taiwan
  3. 3Department of Pediatric, China Medical University Hospital, Taichung, Taiwan
  4. 4Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taipei, Taiwan
  5. 5Department of Medical Imaging, China Medical University Hospital, Taichung, Taiwan
  6. 6School of Medicine and Medical Imaging, China Medical University, Taichung, Taiwan
  1. Correspondence to Dr Fatt Yang Chew, Department of Medical Imaging, China Medical University Hospital, Taichung, Taiwan; c_fyang{at}hotmail.com

https://doi.org/10.1136/thorax-2024-221844

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    A 19-year-old female presented with a 6-month history of progressive shortness of breath. She reported a new onset of palpitations preceding her shortness of breath, which progressed progressively into dull chest pain and trepopnea, and she experienced dyspnoea while lying on her right side. With wheezing and rhinorrhoea, the symptoms became more prominent. She had no previous history of haemoptysis, fatigue, night chills, weight loss or facial oedema. At the time of the physical examination, the heart rate was 79 beats per minute, the respiratory rate was 24 times per minute, the blood pressure was 110/72 mm Hg and the body temperature was 37.8°C. The remaining upper left lung sounds were diminished. The chest radiograph (figure 1A) revealed opacification of the left haemithorax, a displacement to the left of the heart and mediastinal structures and a hyperexpanded right lung across the midline. CT (figure 1B) and a 3D segmentation model (figure 1C–D and online supplemental video) of the thorax revealed …

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    Footnotes

    • J-HS, C-CC and FYC contributed equally.

    • Contributors SYL drafted the manuscript. JHS and SYL collected and interpreted the data. All authors revised it critically for important intellectual content, gave final approval of the version to be published, and agreed to be accountable for all aspects of the work. CCC and FYC contributed to the conception and design of the work. FYC has explained and administered the form for the consent to the patient. FYC has explained and administered the form for the consent to the patient. FYC is responsible for the overall content as guarantor.

    • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

    • Competing interests None declared.

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

    • Supplemental material This content has been supplied by the author(s). It has not been vetted by BMJ Publishing Group Limited (BMJ) and may not have been peer-reviewed. Any opinions or recommendations discussed are solely those of the author(s) and are not endorsed by BMJ. BMJ disclaims all liability and responsibility arising from any reliance placed on the content. Where the content includes any translated material, BMJ does not warrant the accuracy and reliability of the translations (including but not limited to local regulations, clinical guidelines, terminology, drug names and drug dosages), and is not responsible for any error and/or omissions arising from translation and adaptation or otherwise.