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Computer Vision Tool and Technician as First Reader of Lung Cancer Screening CT Scans  Alexander J. Ritchie, MD, Calvin Sanghera, Colin Jacobs, PhD, Wei.

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Presentation on theme: "Computer Vision Tool and Technician as First Reader of Lung Cancer Screening CT Scans  Alexander J. Ritchie, MD, Calvin Sanghera, Colin Jacobs, PhD, Wei."— Presentation transcript:

1 Computer Vision Tool and Technician as First Reader of Lung Cancer Screening CT Scans 
Alexander J. Ritchie, MD, Calvin Sanghera, Colin Jacobs, PhD, Wei Zhang, MD, John Mayo, MD, Heidi Schmidt, MD, Michel Gingras, MD, Sergio Pasian, MD, Lori Stewart, MD, Scott Tsai, MD, Daria Manos, MD, Jean M. Seely, MD, Paul Burrowes, MD, Rick Bhatia, MD, Sukhinder Atkar-Khattra, BS, Bram van Ginneken, PhD, Martin Tammemagi, PhD, Ming Sound Tsao, MD, Stephen Lam, MD  Journal of Thoracic Oncology  Volume 11, Issue 5, Pages (May 2016) DOI: /j.jtho Copyright © 2016 International Association for the Study of Lung Cancer Terms and Conditions

2 Figure 1 Study design. CV, computer vision; ILD, interstitial lung disease; LDCT, low-dose computed tomography; PanCan, Pan-Canadian Early Detection of Lung Cancer Study. Journal of Thoracic Oncology  , DOI: ( /j.jtho ) Copyright © 2016 International Association for the Study of Lung Cancer Terms and Conditions

3 Figure 2 Examples of malignant lung nodules missed by the technician plus computer vision (CV) and/or Pan-Canadian Early Detection of Lung Cancer Study radiologists. (A and B) Malignant nodules missed by the technician plus CV software as well as by the radiologists. (A) A 5-mm endobronchial carcinoid tumor of the left lower lobe (box). (B) A 7-mm solid nodule (arrow) diagnosed as stage IIIA adenocarcinoma 25.3 months later. (C and D) Malignant nodules missed by the technician plus CV software. (C) An 18-mm solid nodule adjacent to left hilar vessels (arrow). Stage IA adenocarcinoma diagnosed 1.2 months later. (D) A 25-mm stage IIB adenocarcinoma (box). (E and F) Malignant nodules missed by the radiologist. (E) A 9.2-mm solid nodule of the right lower lobe (arrow). Stage IV squamous cell carcinoma diagnosed 6.4 months later. (F) An 8-mm solid nodule of the right lower lobe (box). Limited-stage small cell lung cancer diagnosed 16.5 months later. Journal of Thoracic Oncology  , DOI: ( /j.jtho ) Copyright © 2016 International Association for the Study of Lung Cancer Terms and Conditions

4 Figure 3 Invasive adenocarcinoma presented as ground-glass nodules less than 20 mm in diameter. (A) A 12-mm ground-glass opacity. A pT1aN0 moderately differentiated adenocarcinoma of mixed subtype (75% acinar and 25% lepidic) diagnosed 3.5 months later (box). (B) A 19-mm ground-glass opacity (arrow). A pTIaN0 adenocarcinoma with a 90% lepidic and 10% micropapillary growth pattern diagnosed 2.7 months later. Journal of Thoracic Oncology  , DOI: ( /j.jtho ) Copyright © 2016 International Association for the Study of Lung Cancer Terms and Conditions

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