Skip to Main Content
Sign in to myUHN Patient Portal

Main Page Content

We are among Canada's largest and most experienced group of laboratory professionals. Our subspecialty pathologists have access to many integrated techniques, including advanced cytology, automated histology, immunohistochemistry, flow cytometry, electron microscopy, cancer cytogenetics, and molecular diagnostics. Our subspecialists provide detailed, knowledgeable and comprehensive consultations as integrated members of the health care team.

With more than 525 staff, including over 60 medical and scientific staff, it is the largest diagnostic lab in Canada and one of the top academic labs in the world.


Program Medical Director and Pathologist in-Chief  

Dr. Runjan Chetty

Anatomical Pathology

Breast Pathology

Cardiovascular Pathology




Endocrine Pathology

Gastrointestinal Pathology

Genitourinary Pathology

Gynecological Pathology

Head and Neck Pathology

Hepatobiliary Pathology

  • Dr. Phedias Diamandis

Renal Pathology

Thoracic Pathology

Clinical Biochemistry

Dr. Eleftherios Diamandis, Department Head, Biochemistry

  • Dr. Davor Brinc
  • Dr. Vathany Kulasingam

Clinical Laboratory Genetics

Dr. Suzanne Kamel-Reid, Department Head, Clinical Laboratory Genetics

Genome Diagnostics

  • Dr. Jose-Mario  Capo-Chichi
  • Dr. Trevor Pugh
  • Dr. Peter Sabatini
  • Dr. Tracey Stockley, Deputy Head , Genome Diagnostics
  • Dr. Cuihong Wei

Cancer Cytogenetics

  • Dr. Barbara Morash
  • Dr. Adam Smith


Hematology and Transfusion Medicine

Dr. Jan Delabie , Department Head, Hematology and Transfusion Medicine

Blood Transfusion


  • Dr. Rita Selby, Lab Director, Coagulation

Flow Cytometry




  • Dr. Cynthia Ellison
  • Dr. Neal den Hollander

Clinical Microbiology

Dr. Tony Mazzulli , Department Head, Microbiology

  • Dr. Susan Poutanen