Abstract
A case of unilateral mismatch on a ventilation/perfusion lung scan due to aortic aneurysm dissection is presented. Pulmonary embolism should not be considered the sole cause of unilateral lung mismatch. Clinical evaluation and pulmonary angiography should be used for a definitive diagnosis.
MeSH terms
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Aortic Aneurysm / diagnosis
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Aortic Aneurysm / diagnostic imaging
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Aortic Aneurysm / physiopathology*
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Aortic Dissection / diagnosis
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Aortic Dissection / diagnostic imaging
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Aortic Dissection / physiopathology*
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Aortography
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Diagnosis, Differential
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Humans
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Lung / diagnostic imaging
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Male
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Middle Aged
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Pulmonary Embolism / diagnosis
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Radionuclide Imaging
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Ventilation-Perfusion Ratio*