
Kazumasa Masubuchi, MD, FIAC (hon) (1912 – 1992) was a gynecologic oncologist and fundamental to introducing and fostering cytology in Japan. Always a great supporter of teaching cytology and of international exchange he was proposed as the first Honorary Member of the IAC by Dr. Papanicolaou in 1957. He was recipient of the Goldblatt Award in 1977.
The next Kazumasa Masubuchi Award for a Life-Time Achievement in Clinical Cytoloogy will be presented at the 22nd International Congress of Cytology in May 2025, in Florence, Italy.
Dr. Masubuchi graduated from Tohoku University Medical School in 1937 and became director of the Department of Gynaecology, Cancer Institute Hospital, Tokyo, in 1949.
As a gifted educator, he devoted his professional life to the development of early cancer detection methods, and as a brilliant surgeon he devoted his life to the care of his patients at the Cancer Institute Hospital. There he became Vice-President in 1973, President in 1974, and Honorary President in 1986.
Dr. Masubuchi invited the IAC to hold the 1998 International Congress of Cytology in Japan. After his death the JSCC and IAC established the Kazumasa Masubuchi Lifetime Achievement Award in Diagnostic Cytology, to be given every three years at the International Cytology congresses.


Yukitoshi Satoh, MD, FIAC
Former Award Winners from 1995
2025 |
Yukitoshi Satoh, MD, PdD, FIAC, Japan |
2022 |
Daisuke Aoki, MD, PhD, MIAC, Japan |
2019 |
Hiroshi Sasaki, MD, FIAC, Japan |
2016 |
Toshihiko Hasegawa, MD, MIAC, Japan |
2013 |
Robert Y. Osamura, MD, FIAC, Japan |
2010 |
Karin Lindholm, MD, MIAC, Sweden |
2007 |
Carmen Alvarez Santin, MD, MIAC, Uruguay |
2004 |
Gabriele Medley, MB, FIAC, Australia |
2001 |
Bernard Naylor, MD, FIAC(em), U.S.A. |
1998 |
George L. Wied, MD, FIAC, U.S.A. |
1995 |
Leopold Koss, MD, FIAC(hon), U.S.A. |