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Paediatric Laboratory Medicine


The Department of Paediatric Laboratory Medicine (DPLM) at SickKids is a leading, world-class facility working towards reducing the impact of childhood illness by quickly providing diagnoses that lead to early selection of best treatment options. DPLM is a valuable and integral part of the SickKids team, generating original research and providing timely, specialized diagnostic services for health-care providers in Canada and around the world.

The Department of Paediatric Laboratory Medicine is composed of five divisions: 

  • Clinical Biochemistry
  • Genome Diagnostics
  • Haematopathology
  • Microbiology
  • Pathology

Staff associated with these programs are listed below:

Senior Professional Staff 

Dr. George Yousef MD, PhD, FRCP(C) 

Chief, Paediatric Laboratory Medicine
Vice-Chair, Department of Laboratory Medicine and Pathobiology - University of Toronto

Dr. Yousef is internationally recognized for his research in precision medicine, miRNAs and kallikreins. His research is focused on the cancer biomarkers in renal cell carcinoma and prostate cancer using an integrated genomic, proteomic and transcriptomic approaches with extensive bioinformatics analysis.

Dr. Khosrow Adeli, PhD, FCACB, DABCC, FACB
Head, Division of Clinical Biochemistry

Research Interests

  • Molecular mechanisms of dyslipidemia
  • Lipoprotein metabolism
  • ApoB gene expression
  • Animal models of obesity and insulin resistance
  • Hyperlipidemia in insulin resistance and Type 2 diabetes

Dr. Mohamed Abdelhaleem, MD, PhD, FRCP(C)
Head, Division of Haematopathology

Research Interests

  • Cell Death
  • RNA helicases

Dr. Gino R. Somers, MBBS, PhD, FRCPA
Head, Division of Pathology

Research Interests

  • Paediatric sarcomas
  • Diagnostic molecular pathology
  • LEAN management tools

Dr. Martin Somerville, PhD, FCCMG, FACMG, ErCLG
Head, Division of Genome Diagnostics

Research Interests

  • Familial Enteropathy
  • Health Impact of Hereditary Cardiac Disease Management
  • Implementation of High Resolution Low-Cost Diagnostics

Dr. Aaron Campigotto, MSc, MD, FRCPC
Head, Division of Microbiology

Research Interests

• Assessing utilization of laboratory tests
• Clinical Molecular Microbiology Diagnostics
• Optimizing new technologies in Clinical Microbiology


Department of Paediatric Laboratory Medicine
The Hospital for Sick Children
555 University Avenue
Toronto, Ontario M5G 1X8