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Computer Aided Detection for Pulmonary Embolism Challenge (CAD-PE) by González, Germán; Jimenez-Carretero, Daniel; Rodríguez-López, Sara; Cano-Espinosa, Carlos; Cazorla, Miguel; Agarwal, Tanya; Agarwal, Vinit; Tajbakhsh, Nima; Gotway, Michael B.; Liang, Jianming; Masoudi, Mojtaba; Eftekhari, Noushin; Saadatmand, Mahdi; Pourreza, Hamid-Reza; Fraga-Rivas, Patricia; Fraile, Eduardo; Rybicki, Frank J.; Kassarjian, Ara; Estépar, Raúl San José; Ledesma-Carbayo, Maria J. is a scholarly article available to read on EtoBox.

What is Computer Aided Detection for Pulmonary Embolism Challenge (CAD-PE) about?

Rationale: Computer aided detection (CAD) algorithms for Pulmonary Embolism (PE) algorithms have been shown to increase radiologists' sensitivity with a small increase in specificity. However, CAD for PE has not been adopted into clinical practice, likely because of the high number of false positives current CAD software produces. Objective: To generate a database of annotated computed tomography pulmonary angiographies, use it to compare the sensitivity and false positive rate of current algorithms and to develop new methods that improve such metrics. Methods: 91 Computed tomography pulmonary angiography scans were annotated by at least one radiologist by segmenting all pulmonary emboli visible on the study. 20 annotated CTPAs were open to the public in the form of a medical image analysis challenge. 20 more were kept for evaluation purposes. 51 were made available post-challenge. 8 submissions, 6 of them novel, were evaluated on the 20 evaluation CTPAs. Performance was measured as per embolus sensitivity vs. false positives per scan curve. Results: The best algorithms achieved a per-embolus sensitivity of 75% at 2 false positives per scan (fps) or of 70% at 1 fps, outperforming t

Author

González, Germán; Jimenez-Carretero, Daniel; Rodríguez-López, Sara; Cano-Espinosa, Carlos; Cazorla, Miguel; Agarwal, Tanya; Agarwal, Vinit; Tajbakhsh, Nima; Gotway, Michael B.; Liang, Jianming; Masoudi, Mojtaba; Eftekhari, Noushin; Saadatmand, Mahdi; Pourreza, Hamid-Reza; Fraga-Rivas, Patricia; Fraile, Eduardo; Rybicki, Frank J.; Kassarjian, Ara; Estépar, Raúl San José; Ledesma-Carbayo, Maria J.

Published

2020

Language

EN