Lack of Accuracy of Circulating Chromogranin A in the Preoperative Diagnosis of Lung Neuroendocrine Tumors Abstract #569

Introduction: While the role of the circulating neuroendocrine (NE) marker Chromogranin A (CgA) in the clinical management of GEP NET has been extensively discussed, the same role in thoracic NE tumors (TNET) remains to be better clarified.
Aim(s): To establish the diagnostic accuracy of CgA in the preoperative diagnosis of the NE differentiation of a nodular lesion suspect for being a TNET.
Materials and methods: The study was performed among 2,461 patients in which CgA was evaluated (CIS-Bio, normal range 19,4-98,1 ng/ml ) in 654 suspected pulmonary nodules.
Conference: 9th Annual ENETS Conference (2012)
Category: Clinical
Presenting Author: Dr Piero Ferolla

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