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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, Surgery


Professional Background

Dr. Tomiyama completed his residency in 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 in the Department of Surgery and an HPB 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 complex HPB cases including in situ/ex vivo liver cold preservation, 3D simulation of liver surgery, donation after cardiac death (DCD) and live donor liver transplant. His basic research interests are primarily focused on liver regeneration and ischemia reperfusion injury. Throughout his career, he has published more than 30 peer reviewed articles as first and co- author and two book chapters on the subjects of live donor liver transplant techniques and cholangiocarcinoma. He has more than 15 presentations at International congress and one invited lecture.



MD | Okayama University Medical School

Post-doctoral Training & Residency

07/01/2014 - 07/31/2016
Fellowship in Surgical Oncology at Toronto General Hospitals-University of Toronto

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

08/01/2005 - 08/31/2007
Research in Surgery at University of Pittsburgh

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

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

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

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

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


Journal Articles

Schlegel A, van Reeven M, Croome K, Parente A, Dolcet A, Widmer J, Meurisse N, De Carlis R, Hessheimer A, Jochmans I, Mueller M, van Leeuwen OB, Nair A, Tomiyama K, Sherif A, Elsharif M, Kron P, van der Helm D, Borja-Cacho D, Bohorquez H, Germanova D, Dondossola D, Olivieri T, Camagni S, Gorgen A, Patrono D, Cescon M, Croome S, Panconesi R, Flores Carvalho M, Ravaioli M, Caicedo JC, Loss G, Lucidi V, Sapisochin G, Romagnoli R, Jassem W, Colledan M, De Carlis L, Rossi G, Di Benedetto F, Miller CM, van Hoek B, Attia M, Lodge P, Hernandez-Alejandro R, Detry O, Quintini C, Oniscu GC, Fondevila C, Malagó M, Pirenne J, IJzermans JN, Porte RJ, Dutkowski P, Taner CB, Heaton N, Clavien PA, Polak WG, Muiesan P, . "A multicentre outcome analysis to define global benchmarks for donation after circulatory death liver transplantation." Journal of hepatology.. 2021 Oct 13; Epub 2021 Oct 13.

Ruffolo LI, Hernandez-Alejandro R, Tomiyama K. "Refining the surgical playbook for treating colorectal cancer liver metastases." Hepatobiliary surgery and nutrition. 2021 Jun 0; 10(3):397-400.

Wanis KN, Sarvet A, Ruffolo LI, Levstik MA, Tomiyama K, Al-Judaibi BM, Stensrud MJ, Hernandez-Alejandro R. "Estimating the effect of increasing utilization of living donor liver transplantation using observational data." Transplant international : official journal of the European Society for Organ Transplantation.. 2021 Feb 1; Epub 2021 Feb 01.

Books & Chapters

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