Dr. Keegan is a cancer epidemiologist with primary research interests in studies of cancer surveillance, cancer outcomes and cancer survivorship. She has worked extensively with population-based cancer registry data to understand patterns of cancer incidence, treatment and survival, and been involved with multiple studies examining patient experiences with cancer and patient-reported outcomes after cancer diagnosis.
Hematology and Oncology
M.S., Wellness Management, Ball State University, Muncie IN 1999
Ph.D., Epidemiology, Stanford University School of Medicine, Stanford CA 2003
B.S., UC Davis, Davis CA 1996
American Association for Cancer Research (AACR)
American Society of Clinical Oncology (ASCO)
American Society of Hematology (ASH)
Children's Oncology Group Hodgkin Lymphoma Committee and Outcomes and Health Services Working Group
Faculty of the Lymphoma Research Foundation's inaugural 2019 Adolescent and Young Adult (AYA) Lymphoma Consortium Scientific Workshop
OptumLabs Cancer Research Collaborative (OptumLabs and American Cancer Society)
Honors and Awards
Dr. Anthony F. Phillips Research Award, UC Davis Children's Hospital, Children's Miracle Network. Grant awarded highest score. Recognition of the importance of research on children, adolescents and young adults with acute leukemia in California, 2016, 2017, 2018
Internal Medicine Mentor Research Award (Gwen Ho), UC Davis Department of Internal Medicine. Research mentoring. Department recognition of mentored research project on early mortality and location of care in acute myeloid leukemia, 2017
The Steven G. AYA Cancer Research Fund. Poster presentation award. Conference recognition of importance of research on sociodemographic disparities in survival for adolescents and young adults, 2015
Invited Participant, Student Workshop of the Society for Epidemiological Research, Palm Springs CA, 2002
Pre-Doctoral Traineeship in Musculoskeletal Epidemiology, National Institutes of Health (awarded to Program in Epidemiology, School of Medicine, Stanford University, Stanford, CA), 1999, 2000, 2001, 2002, 2003
Phi Sigma Honor Society for research and academic excellence in Biological Sciences, UC Davis, 1996
Peer Counselors in Athletics Community Service Award, UC Davis, 1996
Physiology Departmental Citation, UC Davis, 1996
Susan F. Regan Award for Campus and Community Service, UC Davis, 1996
Annual Fund Academic Scholarship, UC Davis, 1995
Students First Academic Scholarship, UC Davis, 1992
Select Recent Publications
To view Dr. Keegan's publications, please click here.
Klapheke AK, Keegan THM, Ruskin R, Cress RD. Depressive symptoms and health-related quality of life in older women with gynecologic Cancers. J Geriatr Oncol. 2020 Jun;11(5):820-827. doi:10.1016/j.jgo.2019.10.001. Epub 2019 Oct 25. PMID:31668948.
Ho G, Brunson A, Keegan THM, Wun T. Splenectomy and the incidence of venous thromboembolism and sepsis in patients with autoimmune hemolytic anemia. Blood Cells Mol Dis. 2020 Mar;81:102388. doi:10.1016/j.bcmd.2019.102388. Epub 2019 Nov 28. PMID:31805473.
Klapheke AK, Keegan THM, Ruskin R, Cress RD. Changes in health-related quality of life in older women after diagnosis with gynecologic cancer. Gynecol Oncol. 2020 Feb;156(2):475-481. doi:10.1016/j.ygyno.2019.11.033. Epub 2019 Dec 2. PMID:31806400.
Keegan THM, Parsons HM, Chen Y, Maguire FB, Morris CR, Parikh-Patel A, Kizer KW, Wun T. Impact of Health Insurance on Stage at Cancer Diagnosis Among Adolescents and Young Adults. J Natl Cancer Inst. 2019 Nov 1;111(11):1152-1160. doi:10.1093/jnci/djz039. PMID:30937440 PMCID:PMC6855930.
Brunson A, Keegan T, Mahajan A, White R, Wun T. High incidence of venous thromboembolism recurrence in patients with sickle cell disease. Am J Hematol. 2019 Aug;94(8):862-870. doi:10.1002/ajh.25508. Epub 2019 Jun 12. PMID:31074115 PMCID:PMC6876692.
Muffly L, Li Q, Alvarez E, Kahn J, Winestone L, Cress R, Penn DC, Keegan THM. Hematopoietic Cell Transplantation in Young Adult Acute Lymphoblastic Leukemia: A United States Population-Level Analysis. J Adolesc Young Adult Oncol. 2019 Jun;8(3):254-261. doi:10.1089/jayao.2018.0140. Epub 2019 Jan 18. PMID:30657424 PMCID:PMC6588119.
Maguire FB, Morris CR, Parikh-Patel A, Cress RD, Keegan THM, Li CS, Lin PS, Kizer KW. Disparities in Systemic Treatment Use in Advanced-stage Non-Small Cell Lung Cancer by Source of Health Insurance. Cancer Epidemiol Biomarkers Prev. 2019 Jun;28(6):1059-1066. doi:10.1158/1055-9965.EPI-18-0823. Epub 2019 Mar 6. PMID:30842132.
Brunson A, Keegan THM, Mahajan A, Paulukonis S, Wun T. Cancer specific survival in patients with sickle cell disease. Br J Haematol. 2019 Apr;185(1):128-132. doi:10.1111/bjh.15687. Epub 2018 Nov 22. PMID:30467842.
Alvarez EM, Malogolowkin M, Li Q, Brunson A, Pollock BH, Muffly L, Wun T, Keegan THM. Decreased Early Mortality in Young Adult Patients With Acute Lymphoblastic Leukemia Treated at Specialized Cancer Centers in California. J Oncol Pract. 2019 Apr;15(4):e316-e327. doi:10.1200/JOP.18.00264. Epub 2019 Mar 8. PMID:30849003.
Abrahão R, Ribeiro RC, Lichtensztajn DY, Rosenberg AS, Keegan THM. Survival after diffuse large B-cell lymphoma among children, adolescents, and young adults in California, 2001-2014: A population-based study. Pediatr Blood Cancer. 2019 Apr;66(4):e27559. doi:10.1002/pbc.27559. Epub 2018 Dec 4. PMID:30511461.