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Mary-Louise Greer

Title: Staff Radiologist, Department of Diagnostic Imaging
Designations: MBBS, FRANZCR
Phone: 416-813-7874
Alternate Contact Name: Matthew Parmaklis
Alternate Phone: 416-813-6888
Alternate Email:
U of T Positions: Associate Professor, Department of Medical Imaging
Other Positions: Body MRI Co-Section Head, Department of Diagnostic Imaging


Dr. Greer has been on staff as a paediatric radiologist in the general division since June 2011.  She completed her undergraduate medical degree (MBBS) at The University of Queensland in 1989 and radiology training at The Princess Alexandria Hospital, both in Brisbane, Australia, becoming a Fellow of the Royal Australian and New Zealand College of Radiologists (FRANZCR) in 2000.

Greer's association with SickKids started in 1999, when she undertook fellowships in paediatric body imaging and body intervention. She returned to SickKids from 2009 to 2010 to complete a fellowship in cardiac MRI.

Greer has practiced as a paediatric radiologist in the public and private sector since 2000. She has served as Director of Radiology at the Royal Children's Hospital in Brisbane from 2003 to 2006, when their dedicated MRI service was established, and President of the Australian and New Zealand Society for Paediatric Radiology from 2008 to 2009.  She has a strong interest in all aspects of paediatric MRI, with a special interest in advanced MRI techniques, body MRI and bowel imaging in particular.

In addition to enjoying teaching fellows, residents and medical students within the hospital and as Assistant Professor at The University of Toronto,  Greer is actively involved in research both locally and internationally, collaborating with colleagues in gastroenterology, orthopedics and oncology


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