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Priscilla Chiu

Title: Staff Surgeon, General and Thoracic Surgery
Designations: MD, PhD, FACS, FAAP, FRCSC
Phone: 416-813-6405
Fax: 416-813-7477
Alternate Contact Name: Jennifer Ionson
Alternate Phone: 416-813-6405
Alternate Email:
U of T Positions: Associate Professor, General Surgery


Dr. Priscilla Chiu received her MD at Queen’s University. During her surgical training in the Gallie Program at the University of Toronto, Dr. Chiu completed research training in the Surgeon-Scientist Program and the Royal College Clinician Investigator Programs, completing her PhD in Immunology in the laboratory of Dr. Jayne Danska. Dr. Chiu completed her paediatric critical care and paediatric surgery training at the University of Toronto and The Hospital for Sick Children before joining the Division of General and Thoracic Surgery.  


Dr. Chiu’s research focuses on human T lymphocyte developmental biology, T cell malignancies, and gut associated immunity. Her recent publications include both basic science and clinical research topics. Dr. Chiu is also active in the prenatal and surgical management of congenital chest and airway conditions.

She is active in the international Congenital Diaphragmatic Hernia (CDH) Study Group and the Canadian CDH Consortium that published the recommendations for CDH care. Her focus on the multi-disciplinary care of complex patients with foregut anomalies includes her role as surgical director of the SickKids Aerodigestive Clinic that provides long-term and transitional care for these patients.  

Education and experience

  • 19851987: BSc, Pharmacology and Toxicology, Faculty of Science, University of Toronto, Canada 
  • 19871991: MD program, Faculty of Medicine, Queen’s University 
  • 19911992: Surgical Internship, The Toronto Hopsital 
  • 19922002: Gallie Program in General Surgery, University of Toronto 
  • 19942002: PhD program, School of Graduate Studies, University of Toronto 
  • 20022003: Clinical residency, Critical Care Medicine, The Hospital for Sick Children 
  • 20032005: Pediatric Surgery Residency, The Hospital for Sick Children 


  • 20152019: Program Chair, Canadian Association of Paediatric Surgeons 


  1. Hung L, Celik A, Yin X, Chiu PPL, et al. Precision cut intestinal slices, a novel model of acute food allergic reactions. [published online ahead of print, 2022 Nov 14]. Allergy. 2022;10.1111/all.15579. doi:10.1111/all.15579

  2. Fernandes RD, Lapidus-Krol E, Honjo O, Propst EJ, Wolter NE, Campisi P, Chiu PPL. Life-threatening events among esophageal atresia and/or tracheoesophageal fistula patients: Incidence, risk factors and operative outcomes. J Pediatr Surg 2022. Manuscript Accepted

  3. Deprest JA, Nicolaides KH, Benachi A, Chiu, PPL, et al. Randomized Trial of Fetal Surgery for Severe Left Diaphragmatic HerniaN Engl J Med. 2021;385(2):107-118. doi:10.1056/NEJMoa2027030

  4. The Canadian CDH Collaborative. The Canadian Congenital Diaphragmatic Hernia Collaborative Evidence and Consensus-Based National Clinical Management Guideline. CMAJ 2018 Jan 29;190:E103-12 

  5.  Chamoto K, Imataki O, Guo T, Tanaka M, Nakatsugawa M, Ochi T, Yamashita Y, Elia AJ, Siato AM, Saito TI, Chiu PPL, Butler MO, Hirano N. Key residues at third CDR3β position impact structure and antigen recognition of human invariant natural killer T cell receptors. J Immunol. 2017 Feb 21;198(3):1056-65. 
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