Abstract
We report a case of intrathoracic goiter with positive Pemberton sign. Conventional spirometry did not show abnormalities, but arm elevation spirometry with flow-volume loops revealed expiratory flow limitation with a plateau. Clinicians should consider repeating flow-volume loops with arm elevation in all cases of intrathoracic goiter with initially normal loops.
MeSH terms
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Aged
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Airway Obstruction* / diagnosis
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Airway Obstruction* / etiology
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Diagnosis, Differential
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Female
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Goiter, Substernal* / complications
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Goiter, Substernal* / diagnosis
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Goiter, Substernal* / physiopathology
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Humans
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Patient Positioning / methods*
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Pulmonary Ventilation
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Radiography, Thoracic / methods
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Spirometry / methods*
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Tomography, X-Ray Computed / methods