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Review
. 2025 May 5;6(3):100156.
doi: 10.1016/j.acepjo.2025.100156. eCollection 2025 Jun.

A Man With Exertional Dyspnea

Jumpei Yamashita  1 , Daisuke Mizu  1 , Hidenori Higashi  1 , Masataka Miyamoto  1
Affiliations
Review

A Man With Exertional Dyspnea

Jumpei Yamashita et al. J Am Coll Emerg Physicians Open. .
No abstract available

Keywords: lung ultrasonography; pneumothorax; vanishing lung syndrome.

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Conflict of interest statement

All authors have affirmed they have no conflicts of interest to declare.

Figures

Figure 1
Figure 1
Chest radiography showing increased lung translucency and absent vascular markings in the upper and middle lung fields bilaterally (asterisks).
Figure 2
Figure 2
Lung ultrasonography showing sliding signs (arrow).
Video
Video
Lung sliding signs showing vanishing lung syndrome.
Figure 3
Figure 3
The area of hyperlucency that appeared to be a pneumothorax on chest radiography is found to be a giant bulla on computed tomography.
See this image and copyright information in PMC

References

    1. Ferreira Junior E.G., Costa P.A., Silveira L.M.F.G., Almeida L.E.M., Salvioni N.C.P., Loureiro B.M. Giant bullous emphysema mistaken for traumatic pneumothorax. Int J Surg Case Rep. 2019;56:50–54. doi: 10.1016/j.ijscr.2019.02.005. - DOI - PMC - PubMed
    1. Yousaf M.N., Chan N.N., Janvier A. Vanishing lung syndrome: an idiopathic bullous emphysema mimicking pneumothorax. Cureus. 2020;12(8) doi: 10.7759/cureus.9596. - DOI - PMC - PubMed
    1. Wang J., Liu W. Vanishing lung syndrome. Can Respir J. 2014;21(1):28. doi: 10.1155/2014/583697. - DOI - PMC - PubMed
    1. Ye Y., Zhan Y. Giant pulmonary bullae mistaken for pneumothorax. Am J Emerg Med. 2024;83:162.e1–162.e3. doi: 10.1016/j.ajem.2024.07.008. - DOI - PubMed

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