Pulmonary sequestration with high levels of tumor markers tending to be misdiagnosed as lung cancer
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A 62-year-old man with hemoptysis and an abnormal shadow on chest roentgenogram was diagnosed as having anomalous systemic arterial supply to the normal basal segment of the left lower lobe. The preoperative serum carbohydrate antigen 19–9 and carcinoembryonic antigen levels were 73.8 units/ml and 10.8 ng/ml, respectively. Histopathological examination confirmed that the lesion was an intralobar pulmonary sequestration without air connection. There was no malignant finding in the resected specimen. The serum values of tumor markers returned to their approximate normal ranges after lower lobectomy.
Key wordspulmonary sequestration tumor marker lung cancer
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