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Updated: Sep 27, 2026

Use of Electromagnetic Navigational Transthoracic Needle Aspiration (E-TTNA) for Sampling of Lung Nodules
Published on: May 23, 2015
The solitary pulmonary nodule
Bethany B Tan1, Kevin R Flaherty, Ella A Kazerooni
1Section of Thoracic Surgery, University of Michigan, 2120 Taubman Center, 1500 E Medical Center Drive, Ann Arbor, MI 48109, USA.
Abstract:
More than 150,00 patients a year present to their physicians with the diagnostic dilemma of a solitary pulmonary nodule (SPN) found either on chest radiography or chest CT. A thoughtful and timely workup of this finding is essential if lung cancer is to be recognized early and the chance for cure optimized. Based on the literature to date, recommendations are made for appropriate imaging modalities and diagnostic testing, as well as indications for obtaining preoperative tissue diagnosis for the patient with an SPN.
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