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Lilian Gien

Affiliate scientist

Sunnybrook Health Sciences Centre
2075 Bayview Ave., Room T2 104
Toronto, ON
M4N 3M5

Phone: 416-480-4026
Fax: 416-480-6002


  • B.Sc., 1997, biology, Yale University, U.S.
  • MD, 2001, University of Western Ontario, Canada
  • FRCSC, 2006, obstetrics and gynecology, University of Western Ontario, Canada
  • M.Sc., 2008, clinical epidemiology, University of Toronto, Canada
  • Fellowship, 2009, gynecologic oncology, U of T, Canada

Appointments and Affiliations:

  • Affiliate scientist, Evaluative Clinical Sciences, Odette Cancer Research Program, Sunnybrook Research Institute
  • Adjunct scientist, Institute for Clinical Evaluative Sciences
  • Head, gynecologic cancer site group, Odette Cancer Centre
  • Gynecologic oncologist, Odette Cancer Centre, Sunnybrook Health Sciences Centre
  • Associate professor, department of obstetrics and gynaecology, U of T
  • Associate professor (status appointment), Institute of Health Policy, Management and Evaluation (IHPME), U of T

Research Foci:

  • Gynecologic cancers
  • Health services outcomes-based research

Research Summary:

The focus of Dr. Gien’s research is conducting population-based health services research for outcomes in gynecologic malignancies. In particular she is completing a population-based analysis of patterns of care in vulvar carcinoma. She also conducts research in innovative perioperative management in minimally invasive surgery for gynecologic malignancies, and is involved in the development of clinical trials in gynecologic oncology.

Selected Publications:

See current publications list at PubMed.

  1. Nguyen JMV, Bouchard-Fortier G, Bernardini MQ, Atenafu E, Han G, Vicus D, Ferguson SE, Gien LT. Uterine clear cell carcinomas: does adjuvant chemotherapy improve outcomes? International Journal of Gynecological Cancer. 2017 Jan;27(1):69–76.
  2. Gien LT, Sutradhar R, Thomas G, Covens A, Elit L, Fyles A, Rakovitch E, Khalifa MA, Liu Y, Barbera L. Does a groin dissection in vulvar cancer affect recurrence and overall survival? Results from a population-based analysis. Gynecologic Oncology. 2017 Feb;144(2):318–323.
  3. Gien LT, Sutradhar R, Thomas G, Covens A, Elit L, Rakovitch E, Fyles A, Khalifa M, Liu Y, Barbera L. Patient, tumor and health system factors associated with groin node dissection in vulvar carcinoma: a population-based analysis. Gynecol Oncol. 2015 Dec;139(3):465–70.
  4. Kroft J, Li Qing, Saskin R, Elit L, Bernardini M, Gien LT. Trends over time and factors associated with laparoscopic hysterectomy for the treatment of endometrial cancer. Gynecol Oncol. 2015 Sep;138(3):536–41.
  5. Bouchard-Fortier G, Geerts WH, Covens A, Vicus D, Kupets R, Gien LT. Is venous thromboprophylaxis necessary in patients undergoing minimally invasive surgery for a gynecologic malignancy? Gynecol Oncol. 2014 Aug 1;134(2):228–32.
  6. Gien LT, Kupets R, Covens A. Feasibility of same-day discharge after laparoscopic surgery in gynecologic oncology. Gynecol Oncol. 2011 May 1;121(2):339–43.

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