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Evidence based imaging strategies for solitary pulmonary nodule

  
@article{JTD2833,
	author = {Yi-Xiang J. Wang and Jing-Shan Gong and Kenji Suzuki and Sameh K. Morcos},
	title = {Evidence based imaging strategies for solitary pulmonary nodule},
	journal = {Journal of Thoracic Disease},
	volume = {6},
	number = {7},
	year = {2014},
	keywords = {},
	abstract = {Solitary pulmonary nodule (SPN) is defined as a rounded opacity ≤3 cm in diameter surrounded by lung parenchyma. The majority of smokers who undergo thin-section CT have SPNs, most of which are smaller than 7 mm. In the past, multiple follow-up examinations over a two-year period, including CT follow-up at 3, 6, 12, 18, and 24 months, were recommended when such nodules are detected incidentally. This policy increases radiation burden for the affected population. Nodule features such as shape, edge characteristics, cavitation, and location have not yet been found to be accurate for distinguishing benign from malignant nodules. When SPN is considered to be indeterminate in the initial exam, the risk factor of the patients should be evaluated, which includes patients’ age and smoking history. The 2005 Fleischner Society guideline stated that at least 99% of all nodules 4 mm or smaller are benign; when nodule is 5-9 mm in diameter, the best strategy is surveillance. The timing of these control examinations varies according to the nodule size (4-6, or 6-8 mm) and the type of patients, specifically at low or high risk of malignancy concerned. Noncalcified nodules larger than 8 mm diameter bear a substantial risk of malignancy, additional options such as contrast material-enhanced CT, positron emission tomography (PET), percutaneous needle biopsy, and thoracoscopic resection or videoassisted thoracoscopic resection should be considered.},
	issn = {2077-6624},	url = {https://jtd.amegroups.org/article/view/2833}
}