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Correspondence
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Volume 353:851-852 August 25, 2005 Number 8
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Localization of a Corticotropin-Secreting Tumor by Thoracoscopic Pulmonary Venous Sampling

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To the Editor: Corticotropin-secreting pulmonary tumors are an uncommon cause of Cushing's syndrome.1 Precise localization of ectopic (nonpituitary) sources of corticotropin can be difficult: radiologic studies are often nonspecific, and surgical exploration by standard thoracotomy is associated with morbidity. Video-assisted thoracic surgery (VATS) is gaining popularity for anatomical and nonanatomical pulmonary resections. We describe a patient with Cushing's syndrome due to ectopic secretion from a single pulmonary carcinoid; percutaneous sampling of blood from the pulmonary veins by VATS to determine corticotropin levels permitted precise localization of the tumor and confirmed the completeness of the resection.

A 25-year-old man was examined . . . [Full Text of this Article]



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