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Published online before print October 14, 2004, 10.1148/radiol.2333031478
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Detection of Lung Cancer on Radiographs: Receiver Operating Characteristic Analyses of Radiologists’, Pulmonologists’, and Anesthesiologists’ Performance1

Laurence Monnier-Cholley, MD, Fabrice Carrat, MD, PhD, Bernard P. Cholley, MD, PhD, Jean-Michel Tubiana, MD and Lionel Arrivé, MD

1 From the Departments of Radiology (L.M.C., J.M.T., L.A.) and Public Health (F.C.), Hôpital Saint-Antoine, 184 rue du Faubourg Saint-Antoine, 75012 Paris, France; and Department of Anesthesiology, Hôpital Lariboisière, Paris, France (B.P.C.). Received September 15, 2003; revision requested November 11; final revision received April 29, 2004; accepted May 26. Address correspondence to L.M.C. (e-mail: laurence.monnier-cholley@sat.ap-hop-paris.fr).



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  		Figure 1. Schematic of 12 lung zones. LLL = left lower lateral, LLM = left lower medial, LML = left medial lateral, LMM = left middle medial, LUL = left upper lateral, LUM = left upper medial, RLL = right lower lateral, RLM = right lower medial, RML = right middle lateral, RMM = right middle medial, RUL = right upper lateral, RUM = right upper medial.

 


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  		Figure 2a. Graphs of ROC and localization ROC curves for different categories of observers show (a) better performance for radiologists and pulmonologists than for anesthesiologists and (b) better performance for staff than for residents. Localization ROC Az values are smaller than ROC Az values for all observer categories.

 


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  		Figure 2b. Graphs of ROC and localization ROC curves for different categories of observers show (a) better performance for radiologists and pulmonologists than for anesthesiologists and (b) better performance for staff than for residents. Localization ROC Az values are smaller than ROC Az values for all observer categories.

 




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