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Koji Tomiyama, M.D., Ph.D.

Contact Information

Phone Numbers

Appointment: (585) 275-5875

Fax: (585) 271-7929

URMFGA member of the University of Rochester Medical Faculty Group

groupAn Accountable Health Partner

assignmentAccepting New Patients

Faculty Appointments

Patient Care Settings

Cancer, Organ Transplant, Surgery


Professional Background

Dr. Tomiyama completed his residency in General Surgery at Himeji St. Mary's Hospital and a Fellowship in Liver and Kidney transplant surgery at Baylor Regional Transplant Institute. He also completed a Research Fellowship at Thomas E. Starzl Transplantation Institute, University of Pittsburgh and a HPB Surgical Oncology Fellowship at University of Toronto. Dr. Tomiyama was deeply involved in living donor liver transplant and served as assistant professor at Kyoto University.

Dr. Tomiyama's clinical interests include liver transplant especially in the field of living donor liver transplantation and transplant oncology, donation after cardiac death (DCD), complex HPB cases including in situ/ex vivo liver cold preservation and 3D simulation of liver surgery. His basic/translational research interests are primarily focused on liver regeneration and ischemia reperfusion injury and transplant oncology. Throughout his career, he has published more than 50 peer reviewed articles as first and co- author and four book chapters on the subjects of live donor liver transplant, cholangiocarcinoma and Transplant Oncology. He has more than 25 International presentations and invited lectures.




    MD | Okayama University School of Medicine (Japan)

    Post-doctoral Training & Residency

    07/01/2014 - 07/31/2016
    Fellowship in Surgical Oncology at Toronto General Hospital-Western Division (Canada)

    07/01/2008 - 06/30/2010
    Fellowship in Transplant Surgery at Baylor University Medical Center At Dallas

    08/01/2005 - 08/31/2007
    Fellowship in Research at University of Pittsburgh School of Medicine-GME

    06/01/2003 - 03/31/2007
    Fellowship in Research at Okayama University Medical School

    09/01/2002 - 05/31/2003
    Residency in Surgery (General Surgery) at Okayama University Hospital

    09/01/2000 - 08/31/2002
    Residency in Surgery (General Surgery) at Himeji St. Mary's Hospital

    04/01/2000 - 08/31/2000
    Internship in Surgery (General Surgery) at Okayama University Hospital

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    2022 - 2023
    Seymour I Schwartz, MD Faculty Excellence in Teaching Award
    Sponsor: University of Rochester

    2021 - 2022
    Department of Surgery Chief Residents' Faculty Excellence in Teaching Award
    Sponsor: University of Rochester

    2019 - 2020
    Department of Surgery Chief Residents' Faculty Excellence in Teaching Award
    Sponsor: University of Rochester

    2015 - 2016
    Paddy Lewis Award for excellence in teaching in general surgery 2016
    Location: University of Toronto

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    Journal Articles

    Chávez-Villa M, Ruffolo LI, Line PD, Dueland S, Tomiyama K, Hernandez-Alejandro R. "Emerging Role of Liver Transplantation for Unresectable Colorectal Liver Metastases." Journal of clinical oncology : official journal of the American Society of Clinical Oncology.. 2024 Feb 26; :JCO2301781. Epub 2024 Feb 26.

    Bekki Y, Myers B, Tomiyama K, Imaoka Y, Akabane M, Kwong AJ, Melcher ML, Sasaki K. "Decreased Utilization Rate of Grafts for Liver Transplantation After Implementation of Acuity Circle-based Allocation." Transplantation.. 2023 Aug 16; Epub 2023 Aug 16.

    Ivanics T, Claasen MP, Samstein B, Emond JC, Fox AN, Pomfret E, Pomposelli J, Tabrizian P, Florman SS, Mehta N, Roberts JP, Emamaullee JA, Genyk Y, Hernandez-Alejandro R, Tomiyama K, Sasaki K, Quintini C, Nagai S, Abouljoud M, Olthoff KM, Hoteit MA, Heimbach J, Taner T, Liapakis AH, Mulligan DC, Sapisochin G, Halazun KJ. "Living Donor Liver Transplantation (LDLT) for Hepatocellular Carcinoma (HCC) within and Outside Traditional Selection Criteria: A Multicentric North American Experience." Annals of surgery.. 2023 Jul 31; Epub 2023 Jul 31.

    Books & Chapters

    Chapter Title: The RAPID Concept: Pushing the Boundary in Resectability in Liver Transplant Oncology.
    Book Title: Liver Transplantation: Operative Techniques and Medical Management, 1st Edition
    Author List: Ruffolo L, Nghiem BT, Linehan D, Tomiyama K, Hernandez-Alejandro R
    Published By: McGraw-Hill Education 2021

    Chapter Title: Cholangiocarcinoma
    Book Title: Surgical Oncology Manual
    Author List: Tomiyama K; Moulton CA
    Published By: Springer International Publishing 2016

    Chapter Title: Open right hepatic lobectomy for living donor liver transplantation
    Book Title: ACS Multimedia Atlas of Surgery: Liver Volume
    Author List: Takaori K; Tomiyama K; Uemoto S
    Published By: American College of Surgeons 2014



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