[O16] Cancer Genetics 4 | The 71st Annual Meeting of the Japan Society of Human Genetics

Session Details

Oral Session

[O16]Cancer Genetics 4

Fri. Nov 20, 2026 10:40 AM - 11:40 AM JST
Fri. Nov 20, 2026 1:40 AM - 2:40 AM UTC

Room 7 (Grand Hall, Sendai Ryokusaikan Visitor Center)

Chair: Sana Yokoi (Div. Genetic Diagnostics, Chiba Cancer Center), Takao Hinoi (Hiroshima University Hospital, Department of Clinical and Molecular Genetics)

[O16-01]MMR Loss Patterns and Lynch Syndrome Detection in Young Japanese Endometrial Cancer: A Prospective Study

Hidetaka Nomura¹, Akiko Abe^1,², Atsushi Fusegi¹, Mayumi Kamata¹, Yuta Inoue¹, Shogo Yamaguchi¹, Yuri Kuratomi¹, Eitaro Funada¹, Mamoru Kakuda¹, Risako Ozawa¹, Shogo Nishino¹, Sachiho Netsu¹, Motoko Kanno¹, Makiko Omi¹, Yoichi Aoki¹, Mayu Yunokawa¹, Arisa Ueki³, Akiko Tonooka⁴, Hiroyuki Kanao¹ (1. Department of Gynecology, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan, 2. Department of Genomic Medicine, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan, 3. Department of Clinical Genetics, Cancer Institute Hospital of Japanese Foundation for Cancer Research, Tokyo, Japan, 4. Division of Pathology, Cancer Institute of Japanese Foundation for Cancer Research, Tokyo, Japan)

[O16-02]Sustainable HBOC surveillance: survey of current challenges and implementation of a surveillance program

Yumiko Goto^1,^2,³, Tomoko Seki^3,⁶, Daisuke Nakato¹, Kohei Nakamura^1,^3,⁴, Tomoko Yoshihama^1,^3,⁵, Masayuki Tanaka^3,⁶, Ikumi Ono^1,^3,⁷, Kumiko Misu^1,^3,⁷, Yusuke Kobayashi¹, Kenta Masuda^1,^3,⁵, Hiromasa Takaishi², Wataru Yamagami^3,⁵, Kenjiro Kosaki^1,³ (1. Center for Medical Genetics, Keio University School of Medicine, Tokyo, Japan, 2. Center for Preventive Medicine, Keio University School of Medicine, Tokyo, Japan, 3. Center for Hereditary Breast and Ovarian Cancer Syndrome, Keio University Hospital, Tokyo, Japan, 4. Center for Cancer Genomics, Keio University School of Medicine, Tokyo, Japan, 5. Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan, 6. Department of Surgery, Keio University School of Medicine, Tokyo, Japan, 7. Nursing Department, Keio University Hospital, Tokyo, Japan)

[O16-03]Multi-locus Inherited Neoplasia Allele Syndrome (MINAS): Clinical Characteristics of Nine Individuals

Asami Kuga, Keika Kaneko, Hiromi Arakawa, Eri Habano, Yuko Minoura, Akito Dobashi, Arisa Ueki (The Cancer Institute Hospital, Japanese Foundation for Cancer Research)

[O16-04]Clinical Characteristics of Patients with Endometrial Cancer Associated with Lynch Syndrome at Our Hospital

Yuko Minoura¹, Keika Kaneko¹, Hiromi Arakawa¹, Eri Habano¹, Asami Kuga¹, Akito Dobashi^1,², Takahiro Kogawa^1,⁴, Akiko Abe³, Hidetaka Nomura³, Hiroyuki Kanao³, Arisa Ueki¹ (1. Department of Clinical Genetics Oncology, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, 2. Department of Pathology, The Cancer Institute of Japanese Foundation for Cancer Research, 3. Department of Gynecologic Oncology, The Cancer Institute Hospital of Japanese Foundation for Cancer Research, 4. Department of Advanced Medical Development, The Cancer Institute Hospital of Japanese Foundation for Cancer Research)

[O16-05]Comprehensive genomic profiling reveals a higher prevalence of Li-Fraumeni syndrome than previously estimated

Sana Yokoi, Ryoko Suzuki, Reiko Ohara (Div. of Genetic Diagnostics, Chiba Cancer Center, Chiba, Japan)

[O16-06]Integrated genomic analysis reveals HBOC in patients with inconclusive BRCA test results

Kohei Nakamura^1,^2,^3,⁴, Kenta Masuda^2,^3,⁵, Tomoko Yoshihama^2,^3,⁵, Yumiko Goto^2,^3,⁶, Tomoko Seki^3,⁷, Takeo Kosaka^3,⁸, Reika Takamatsu¹, Yuko Kitano¹, Shigeki Tanishima¹, Norie Abe⁹, Hisamitsu Zaha⁹, Kumiko Misu^2,^3,¹⁰, Ikumi Ono^2,^3,¹⁰, Hiroshi Nishihara¹, Wataru Yamagami^3,⁵, Kenjiro Kosaki^2,³ (1. Center for Cancer Genomics, Keio University School of Medicine, Tokyo, Japan, 2. Center for Medical Genetics, Keio University School of Medicine, Tokyo, Japan, 3. Center for Hereditary Breast and Ovarian Cancer Syndrome, Keio University Hospital, Tokyo, Japan, 4. Department of Hereditary Cancer, Nakagami Hospital, Okinawa, Japan, 5. Department of Obstetrics and Gynecology, Keio University School of Medicine, Tokyo, Japan, 6. Center for Preventive Medicine, Keio University School of Medicine, Tokyo, Japan, 7. Department of Surgery, Keio University School of Medicine, Tokyo, Japan, 8. Department of Urology, Keio University School of Medicine, Tokyo, Japan, 9. Department of Breast Surgery, Nakagami Hospital, Okinawa, Japan, 10. Nursing Department, Keio University Hospital, Tokyo, Japan)

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