Errol Colak


Project Investigator, Li Ka Shing Knowledge Institute


Dr. Errol Colak is a radiologist and Project Investigator at the Li Ka Shing Knowledge Institute of St. Michael’s Hospital. He is an Assistant Professor in the Department of Medical Imaging, University of Toronto and supervisor of the Cross-Sectional Imaging Fellowship at St. Michael’s Hospital. His research interests include genitourinary and gastrointestinal imaging, quality improvement initiatives, and health technology.

Please note: Dr. Colak is not taking any summer students in 2018.

Recent Publications

  1. Salehinejad, H, Colak, E, Dowdell, T, Barfett, J, Valaee, S. Synthesizing Chest X-Ray Pathology for Training Deep Convolutional Neural Networks. IEEE Trans Med Imaging. 2018; :. doi: 10.1109/TMI.2018.2881415. PubMed PMID:30442603 .
  2. Diamond, IR, Probyn, L, Colak, E, Finlay, K, Bartlett, ES. Assessing Competence in Emergency Radiology Using an Online Simulator. Acad Radiol. 2018; :. doi: 10.1016/j.acra.2018.07.007. PubMed PMID:30100154 .
  3. Mastrocostas, K, Chingkoe, CM, Pace, KT, Barfett, JJ, Kirpalani, A, Mnatzakanian, GN et al.. Computed tomography identified factors that preclude living kidney donation. Can Urol Assoc J. 2018;12 (8):276-279. doi: 10.5489/cuaj.4909. PubMed PMID:29629868 PubMed Central PMC6114164.
  4. Shahid, K, Streutker, CJ, Kim, RH, Colak, E, Shin, HS, Pace, KT et al.. A Case of a "Voiding" Hypertension. Kidney Int Rep. 2017;2 (5):973-977. doi: 10.1016/j.ekir.2017.02.018. PubMed PMID:29270506 PubMed Central PMC5733881.
  5. Leung, VA, Kirpalani, A, Mnatzakanian, G, Colak, E, Vlachou, PA. Effect of a Biopsy Center on Adequacy Rates of Thyroid Nodule Fine-Needle Aspiration. AJR Am J Roentgenol. 2017;209 (2):358-362. doi: 10.2214/AJR.16.17157. PubMed PMID:28570128 .
  6. Zipori, Y, Berger, H, Colak, E, Geary, M. Pyogenic liver abscess with atypical microbiology during pregnancy. A case report. J Obstet Gynaecol. 2017;37 (6):827-828. doi: 10.1080/01443615.2017.1306032. PubMed PMID:28395584 .
  7. Bollegala, N, Khan, R, Scaffidi, MA, Al-Mazroui, A, Tessolini, J, Showler, A et al.. Aseptic Abscesses and Inflammatory Bowel Disease: Two Cases and Review of Literature. Can J Gastroenterol Hepatol. 2017;2017 :5124354. doi: 10.1155/2017/5124354. PubMed PMID:28265555 PubMed Central PMC5317120.
  8. Cicero, M, Bilbily, A, Colak, E, Dowdell, T, Gray, B, Perampaladas, K et al.. Training and Validating a Deep Convolutional Neural Network for Computer-Aided Detection and Classification of Abnormalities on Frontal Chest Radiographs. Invest Radiol. 2017;52 (5):281-287. doi: 10.1097/RLI.0000000000000341. PubMed PMID:27922974 .
  9. Scaffidi, MA, Garg, A, Ro, B, Wang, C, Yang, TT, Plener, IS et al.. Esophageal Intramural Pseudodiverticulosis and Concomitant Eosinophilic Esophagitis: A Case Series. Can J Gastroenterol Hepatol. 2016;2016 :1761874. doi: 10.1155/2016/1761874. PubMed PMID:27648438 PubMed Central PMC5018311.
  10. Chia, TL, Chesney, TR, Isa, D, Mnatzakanian, G, Colak, E, Belmont, C et al.. Thrombocytosis in splenic trauma: In-hospital course and association with venous thromboembolism. Injury. 2017;48 (1):142-147. doi: 10.1016/j.injury.2016.07.016. PubMed PMID:27451291 .
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Affiliations & Other Activities

  • Staff Radiologist, Department of Medical Imaging, St. Michael’s Hospital
  • Assistant Professor, Department of Medical Imaging, University of Toronto