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Case report demonstrates a dissecting aortic aneurysm presenting as a painless left-sided pleural effusion, highlighting the need to evaluate vascular causes in unexplained fluid collections.
A BSTRACT We report a rare presentation of a left-sided painless pleural effusion, initially suspected to be due to malignancy or tuberculosis based on clinical history and preliminary findings. However, detailed evaluation and imaging revealed the underlying etiology to be a dissecting aortic aneurysm. This case highlights the importance of considering vascular causes in the differential diagnosis of unexplained pleural effusions, particularly when classical symptoms are absent.
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James et al. (2026) studied this question.
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