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Department of Genetics

Greetings

Department of Genetics welcomes consultations regarding a variety of genetic issues. We address concerns and worries about genetics and genetic diseases, such as "I (or a family member) have been diagnosed with a hereditary disease," "I'm worried that my child will inherit my disease," and "I want to undergo genetic testing." Our team of doctors specializing in genetics, a certified genetic counselor, nurses, and a certified public psychologist provides personalized medical and psychological support. Rapid advances in molecular genetics have enabled many diseases to be elucidated at the genetic level, and this information is increasingly being applied to patients. We provide appropriate medical information to help our patients and their families understand and diagnose their own problems and lead better lives. No matter how trivial your concerns may be, please feel free to contact Department of Genetics. Our staff looks forward to serving you.

Chief of Department of Genetics
Yuko Ohnuki

Treatment details

Department of Genetics provides outpatient genetic counseling and cancer genome care.

Our genetic counseling clinic provides specialized information and collaborative solutions to problems faced by individuals diagnosed with hereditary disorders, their families, and those considering genetic testing or prenatal diagnosis. The clinic is staffed by physicians and other medical professionals (including certified genetic counselors, genetic nursing specialists, and certified psychologists). Each consultation typically lasts 30 minutes to an hour, therefore appointments are required.

Tokai University Hospital is a " Designated Hospitals for Cancer Genomic Medicine". Our department operates a "Cancer Genomics Outpatient Clinic" where we provide cancer gene panel tests, which is covered by insurance, to patients with solid tumors.

Our department provides genetic tests and related consultations, but does not provide treatment. If you would like a clinical diagnosis of a disease or ongoing medical care, please visit the department that deals with that disease.

Main target diseases

  • <Genetic Counseling Clinic>
    For hereditary neuromuscular disorders, pediatric diseases, hearing loss, and non-invasive prenatal testing (NIPT), outpatient clinics are staffed by clinicians specializing in each respective field. For other areas, there are no specialist physicians available, so please contact Department of Genetics in advance.

  • <Cancer Genome Outpatient Clinic (Solid Cancer)>
    The following people are eligible for insurance coverage:
    1) Patients with solid cancer, cancer of unknown primary origin, or rare cancer for whom standard treatment has been completed or is expected to be completed
    ②Those whose PS remains at 0 or 1 approximately three months after the test results are known and who are able to receive chemotherapy

Main medical achievements

In fiscal year 2024, the total number of outpatient visits was 1,121 (899 in fiscal year 2023), with 472 new visits (420 in fiscal year 2023). The breakdown of visits was 47% for cancer genome panel testing, 22% for hereditary tumors, 18% for prenatal diagnosis consultations, 2% each for pediatrics, hearing loss, and neuromuscular diseases, and 6% for other reasons. The proportion of visits for cancer genome panel testing, which began in earnest in fiscal year 2020, further increased in fiscal year 2024, and the number of patients also increased. Furthermore, with the increase in genetic testing items for rare diseases covered by insurance, the number of patients in various fields (categorized as "other") also increased. While the trend of many patients coming from neighboring areas remained unchanged, there were also patients from outside the capital and prefectures.

Doctor List

Department Head: Yuko Onuki

Outpatient: 0463 (93) 1121 extension 6418

Professor Kei Takeshita

Specialization

Medical Ethics and Respiratory Medicine

Specialist

Specialist and Supervising Doctor of the Japanese Respiratory Society / Specialist General Internal Medicine of the Japanese Society of Internal Medicine / Specialist in Bronchoscopy of the Japanese Society for Respiratory Endoscopy

Specialized Areas

Respiratory malignancies

Outpatient medical day

Wednesday (AM)

Professor Naohiro Nishida

Specialization

Clinical Oncology

Specialist

Certified Surgical Physician by the Japan Surgical Society / Specialist in Cancer Chemotherapy by the Japanese Society of Clinical Oncology

Specialized Areas

Cancer gene panel tests

Outpatient medical day

Thursday (PM)

Professor Yuko Onuki

Specialization

Medical Ethics and Department of Neurology

Specialist

Clinical geneticist and instructor / Certified physician of the Japanese Society of Internal Medicine / Specialist of the Japanese Society of Neurology

Specialized Areas

Hereditary neuromuscular disorders

Outpatient medical day

Thursday (AM) and Friday (AM)

Associate Professor Tomoari Mori

Specialization

Medical Ethics and General Internal Medicine

Specialist

Japanese Society of Internal Medicine General Internal Medicine Specialist and Supervising Physician / Japanese Society of Acute Medicine Specialist / Social Medicine Specialist and Supervising Physician

Specialized Areas

Cancer gene panel tests

Outpatient medical day

Tuesday (AM)

Assistant Professor Ai Unzaki

Specialization

Medical Ethics/ pediatrics

Specialist

Clinical geneticist/ pediatrics

Specialized Areas

General pediatrics

Outpatient medical day

Monday and Tuesday

Assistant Professor Mizuho Suzuki

Specialization

Medical ethics and clinical genetics

Specialist

Certified Genetic Counselor

Specialized Areas

Genetic counseling

Outpatient medical day

Wednesday, Thursday, Friday

Kenji Izumi, Assistant Professor

Specialization

Obstetrics and Gynecology

Specialist

Obstetrics and Gynecology Gynecologist/Certified Cancer Therapist/Japan Sport Association Certified Sports Doctor

Specialized Areas

General obstetrics and gynecology

Outpatient medical day

Tuesdays (PM) twice a month

Assistant Professor Haruko Koizumi

Specialization

Obstetrics and Gynecology

Specialist

Obstetrics and Gynecology Gynecologist

Specialized Areas

General obstetrics and gynecology

Outpatient medical day

Tuesdays (PM) twice a month

Visiting Professor Shunichiro Izumi

Specialization

Obstetrics and Gynecology

Specialist

Clinical genetics specialist and instructor / Obstetrics and Gynecology specialist / Oriental medicine instructor / Reproductive medicine instructor / Japan Endocrine Society Endocrinology and Metabolism Division (Obstetrics and Gynecology) instructor

Specialized Areas

endocrine, menopause

Outpatient medical day

Tuesday (PM)

Kazumi Takahashi (Part-time doctor)

Specialization

Medical Ethics/ Obstetrics and Gynecology

Specialist

Clinical geneticist/ Obstetrics and Gynecology Gynecologist/Japanese Society of Women's Healthcare Specialist/Hereditary Oncology Specialist

Specialized Areas

General obstetrics and gynecology

Outpatient medical day

Thursday (PM) once a month

Mayuri Okami (Part-time Lecturer)

Specialization

Otolaryngology

Specialist

Otolaryngology specialist/clinical geneticist/hearing aid consultant

Specialized Areas

General ENT

Outpatient medical day

Tuesday (AM) and Friday (AM and PM)

Mari Shinoda (Part-time doctor)

Specialization

Obstetrics and Gynecology

Specialist

Clinical geneticist/ Obstetrics and Gynecology Gynecologist/Japanese Society of Women's Healthcare Certified Specialist

Specialized Areas

General obstetrics and gynecology

Outpatient medical day

Thursday (PM) once a month

Chisa Narayama (Part-time doctor)

Specialization

Obstetrics and Gynecology

Specialist

Clinical geneticist / Obstetrician Obstetrics and Gynecology / Women's Healthcare Advisor and Women's Healthcare Specialist / Clinical geneticist / Ultrasound specialist / Certified by the Japan Society of Obstetric and Gynecological Genetics (Perinatal)

Specialized Areas

General obstetrics and gynecology

Outpatient medical day

Thursdays (PM) twice a month

Misaki Momose, Part-time Physician

Specialization

Obstetrics and Gynecology

Specialist

Obstetrics and Gynecology Gynecologist

Specialized Areas

General obstetrics and gynecology

Outpatient medical day

Thursday (PM)