Gynecology

Please feel free to consult us about any gynecological diseases, such as those who have undergone a medical checkup or medical examination at our clinic and are found to require further examination, those who are experiencing premenstrual symptoms or irregular periods, abnormal bleeding, changes in vaginal discharge, concerns about uterine or ovarian cancer, or those worried about sexually transmitted diseases.

First visit

Call (03-5413-0080Please make your reservation at the following number:

As a general rule, first-time patients in our gynecology department are only seen on Mondays.
Dr. Mase, who is in charge on Tuesdays, Wednesdays and Thursdays, is generally only available for follow-up appointments, and currently prioritizes appointments with patients who have had a medical checkup or health check that includes gynecological examinations at our clinic within the past year. If you would like to see Dr. Mase, please feel free to contact us by phone.

Revisit

Please make an appointment in advance by phone and bring your health insurance card and patient registration card.

Gynecology (Reservation Required)

The patients should be at least 16 years of age.

Specific care for each disease condition

Menorrhagia/dysmenorrhea

• This is the disease
  • These are menstrual abnormalities such as excessively heavy or light menstrual flow, or long or short menstrual periods.
• Main symptoms
  • Heavy menstrual flow, long menstrual period (7 days or more), extremely light menstrual flow, short menstrual period (2 days or less)
• Diagnostic methods
  • Pelvic examination, ultrasound examination
• Suspected cases
  • Uterine fibroids, adenomyosis, endometriosis
  • Polycystic ovary syndrome (PCOS)
  • Premature Ovarian Insufficiency (POI)
• Treatment options (examples)
  • Observation with symptomatic treatment such as painkillers
  • Taking the pill to regulate hormone balance
  • Surgery

Menstrual irregularities

• These are the symptoms
  • A normal menstrual cycle is 25 to 38 days, fluctuates within 6 days, and lasts 3 to 7 days. Menstrual irregularities occur when this regular menstrual cycle is disrupted. If menstrual irregularities are left untreated, they can affect future pregnancy and childbirth.
• Main symptoms
  • Irregular menstrual cycle
• Suspected cases
  • Polycystic ovarian syndrome (PCOS), thyroid dysfunction, premature ovarian insufficiency (POI), endometrial polyps, uterine fibroids
• risk factors
  • Ovulation disorders, excessive weight gain or loss, physical or mental stress
• Diagnostic methods
  • Interview, internal examination, hormone test, blood test
• Treatment options and examples
  • Drug administration
  • Limited to taking necessary medications
  • Administration of hormone-balancing drugs
  • Taking sex hormones to regulate menstruation

Irregular bleeding

• This is the disease
  • This refers to vaginal bleeding outside of your regular menstrual period. It can range from light to heavy and varies greatly from person to person. It is especially common during puberty and menopause, when menstrual cycles tend to be irregular.
• Main symptoms
  • Bleeding outside of menstrual periods or changes in menstrual pattern
• Suspected cases
  • hormonal imbalance
  • Endometriosis and uterine fibroids
  • Cervical cancer and uterine cancer
  • Cervical and endometrial polyps
• Diagnostic methods
  • Interview, pelvic examination, ultrasound examination, endometrial biopsy, cervical cytology, blood test
• Types of treatment
  • Hormone therapy to regulate hormone balance
  • Treating infection with antibiotics
  • Surgery such as removal of uterine fibroids or polyps
  • Cognitive rehabilitation, lifestyle rehabilitation

Lower abdominal discomfort or pain

• This is the disease
  • There are possibilities of ovarian tumors, salpingitis, and endometriosis. Ovarian tumors are also common in young women, and even if they grow quite large, they often have no symptoms.
• Main symptoms
  • Lower abdominal bloating or pressure
  • Lower abdominal or back pain
  • Dyspareunia
• Suspected disease
  • Ovarian tumors, pelvic peritonitis, salpingitis, endometriosis, fibroids, adenomyoma
• Diagnostic methods
  • Physical examination, ultrasound examination, CT/MRI, blood test, tissue test
• Types of treatment
  • Observation (if benign)
  • Surgery and chemotherapy (if malignant)
  • Treating infection with antibiotics

Premenstrual Syndrome (PMS)

• This is the disease
  • Symptoms caused by hormonal changes include lower abdominal pain, headache, swelling, weight gain, breast pain, irritability, and anxiety, which occur about two to one week before menstruation. It is estimated that ８０% of women experience these symptoms, and if the symptoms are extremely severe, it may be premenstrual dysphoric mood disorder (PMDD).
• Types of treatment
  • Measuring basal body temperature
  • Relieving stress through moderate exercise
  • Limit stimulants, alcohol, caffeine, and foods high in salt and fat
  • Taking low-dose birth control pills or herbal medicines

Doctor’s Profile

Yuri Mase

Tokyo Midtown Clinic

Department of gynecology

                       

Certifications and Affiliations

Certified Specialist by Japan Society of Obstetrics and Gynecology
Certified Consultant by Japan Society of Obstetrics and Gynecology
Japanese Society of Women's Health Care Specialist
Female Athlete Health Support Committee Seminar Completed
Completed training on palliative care for doctors involved in cancer treatment
Affiliated academic societies: Japan Society of Obstetrics and Gynecology
Japan Society of Obstetric and Gynecologic Endoscopy
Japan Society of Perinatal and Neonatal Medicine
Japan Society of Women's Health

Biography

Graduated from the Faculty of Medicine at Nippon Medical School in 2003. After completing her residency in gynecology and obstetrics at Nippon Medical School Hospital, she worked in the obstetrics department at the perinatal center of Tokyo Metropolitan Sumida Hospital and in the gynecology and obstetrics department at Nippon Medical School Musashi-Kosugi Hospital.
Graduated from Nippon Medical School Graduate School in 2012. Obtained a Doctor of Medicine. Worked as an assistant professor in the Department of Obstetrics and Gynecology at Nippon Medical School Musashi-Kosugi Hospital.
From 2016 to 2020, he was a part-time lecturer in the Department of Women's Medicine and Obstetrics at Nippon Medical School Musashi-Kosugi Hospital.

Ayano Tatsuzuki

Tokyo Midtown Clinic
Department of gynecology

                       

Certifications and Affiliations

Doctor of Medicine, Obstetrician-Gynecologist of the Japan Society of Obstetrics and Gynecology
*She can speak English and Chinese.

Biography

March 2009: Graduated from Tokyo Women's Medical University, School of Medicine, and Graduate School. Studied at Konan University, Faculty of Letters, Department of Sociology, University of Illinois, USA. Studied at Shanghai University of Traditional Chinese Medicine. Tokyo Women's Medical University, Department of Obstetrics and Gynecology. Research student at Tokyo Women's Medical University, Department of Anatomy and Developmental Biology (currently)
Worked at Hamamatsucho Hamasite Clinic since August 2011

Setsuko Nakayama

Tokyo Midtown Clinic

Department of gynecology

                       

Certifications and Affiliations

Certified Specialist by Japan Society of Obstetrics and Gynecology
Certified Clinical Geneticist

Other medical departments

Rapid testing system

① Speedy in-house testing

We will promptly diagnose using colposcope, MRI, CT, ultrasound, etc. If necessary, we will refer you to a nearby medical facility.

② A wide range of detailed examinations performed in-house

We have specialized staff and testing equipment for blood test, urine test, electrocardiograms, X-rays, ultrasound tests, and more, to investigate the cause of symptoms in a comprehensive manner.

③General blood test results will be given to you on the same day.

We have an in-house laboratory, and therefore, we can provide testing and explanation of general blood test results, excluding tumor markers, can be otained within about an hour.

Comprehensive support on one floor

We work in cooperation with each department of our clinic and external medical institutions to provide appropriate treatment and support as a team. On the same floor, you will also find Tokyo Midtown Dermatology and Plastic Surgery Noage, Tokyo Midtown Dental Clinic, Healthcare Shop TMMC Plus, and a dispensing pharmacy.