McMaster University

McMaster University

Division of Hematology/Oncology: child holding flower
Contact Information
Dr. Anthony Chan
Division Head

Health Sciences Centre, Room 3N27

1280 Main Street West

Hamilton, Ontario    L8S 4K1

Phone: 905-521-2100, ext. 73464  
Fax: 905-521-1703  

Division of Hematology/Oncology

About Hematology/Oncology

Nine faculty members provide clinical comprehensive specialized care to children with blood diseases and cancer, and their families. Our team is supported by a group of more than 40 colleagues in diagnostic and therapeutic services who have special skills in this area.

The number of new cases of cancer averages 65 per year and annual outpatient visits total almost 8000. Special clinics serve patients with hemophilia and bleeding disorders, thrombophilia, hemoglobinopathies and brain tumours, as well as an expanding group of survivors in long-term follow up.

The Division is one of the main partners in the network of POGO (the Pediatric Oncology Group of Ontario) and it is a full member of the Children's Oncology Group (COG). The former provides an unparalleled framework for standards and guidelines in the pursuit of excellence in service delivery, while the latter affords an increasing opportunity for children to have the advantage of participation in clinical trials and related biological studies. Several members of our team play leadership roles in POGO and the COG. Additionally, this centre is a long-standing component of the Dana-Farber Cancer Institute Childhood A.L.L. Consortium.

In addition to participation in co-operative group clinical trials, some of which involve leadership roles, the local areas of expertise include research in in patient reported outcomes, health-related quality of life, thrombophilia, development of new anticoagulants and hemostatic agents, the role of exercise and nutrition.  Studies in these areas are supported by external funding and play a major part in the activities of the Division. Collaboration is well established with the Centre for Health Economics and Policy Analysis, the Thrombosis and Atherosclerosis Research Institute and colleagues in a diversity of departments including engineering, biochemistry and nuclear medicine.

Meeting a fundamental commitment to colleagues in less privileged circumstances, our research activities have extended to developing countries, especially in Latin America. This is accomplished through partnerships with several international agencies in Europe and North America.

The Division makes major contributions to medical education at McMaster University, including undergraduate electives and a postgraduate training program. In addition, a one-month rotation is offered to Fellows in the Adult Hematology program. The Division offers Royal College accredited subspecialty training program in Pediatric Hematology/Oncology as well as offers clinical and laboratory training to International Pediatric Residents.

Members of the Division also contribute to nursing education and international health.

Division Members

Dr. Anthony Chan
Division Head

Dr. Uma Athale
Associate Professor

Dr. Ronald Barr

Dr. Vicky Breakey
Assistant Professor

Dr. Dave Lysecki
Assistant Professor

Dr. Adam Fleming
Assistant Professor

Dr. Stacey Marjerrison
Assistant Clinical Professor

Dr. Mohan Pai
Professor Emeritus

Dr. Carol Portwine
Associate Professor

What's New

Annual Report

We are happy to present the Annual Division Report for Haematology/Oncology in collaboration between McMaster Children's Hospital and Department of Pediatrics. You can read the full report here.

Advocating for Children Around the World

Dr. Ronnie Barr continues to campaign for better children's medications... Read the whole story.


Did You Know…

Division Head, Dr. Anthony Chan, volunteers for 1-800-NOCLOTS, an international 24/7 pediatric thrombophilia consultation service? The hotline is used by physicians around the world to ask Dr. Chan about what he knows best: bleeding, clotting and stroke.

Read the whole story: Answering the Call


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