Lipoma is a common benign soft tissue tumor, but its size and location can lead to serious issues. We report a case of a 48 year-old male patient who experienced sudden cardiac arrest outside the hospital. After resuscitation and examination, we determined that this was due to a massive mediastinal lipoma compressing the lungs, leading to respiratory failure and pulmonary encephalopathy, ultimately resulting in cardiac arrest. This case serves as a reminder to promptly identify and manage chest lipomas to avoid compression and functional impairment of the respiratory system. Early evaluation and treatment of massive lipomas are crucial for preventing complications.

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Vol. 19, No. 15

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History

Received 22 August 2023

Accepted 25 October 2023

Published online 19 December 2023

Published in print December 2023

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Author contributions

XL Weng and L Jiang participated in the case description, background research, discussion and prepared figures. ML Zhou reviewed the entire text. All authors read and approved the final version of the manuscript.

Financial disclosure

Funds from Zhejiang Provincial Science and Technology Plan Projects of China, Grant number: 2021KY894. The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.

Competing interests disclosure

The authors have no competing interests or relevant affiliations with any organization or entity with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.

Writing disclosure

No writing assistance was utilized in the production of this manuscript.

Ethical conduct of research

Verbal consent was received from the patient's family members. Ethical approval has also been received from the Ethics Committee of The Affiliated Hospital of Hangzhou Normal University.

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