Gynecomastia Quiz
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Yoshinori Abe, MD (Internal medicine)
Dr. Abe graduated from The University of Tokyo School of Medicine in 2015. He completed his residency at the Tokyo Metropolitan Health and Longevity Medical Center. He co-founded Ubie, Inc. in May 2017, where he currently serves as CEO & product owner at Ubie. Since December 2019, he has been a member of the Special Committee for Activation of Research in Emergency AI of the Japanese Association for Acute Medicine. | | Dr. Abe has been elected in the 2020 Forbes 30 Under 30 Asia Healthcare & Science category.
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Bump in the nipple
Lump in the nipple
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Learn more about Gynecomastia
Content updated on Nov 2, 2022
What is gynecomastia?
A condition where abnormal hormone levels cause males to develop female characteristics (enlargement of the breast). Common causes include medications and tumors in the brain.
Symptoms of gynecomastia
Enlarged male breast tissue
Breast lump
Nipples are very sensitive
Breasts feel stretched, tight or full
Questions your doctor may ask to check for gynecomastia
Your doctor may ask these questions to diagnose gynecomastia
Do you think your breasts are getting bigger?
Do you feel a lump in your breast?
Are your nipples so sensitive that you have discomfort, pain, or itch when your clothes touch them?
Do your breasts feel stretched, tight or full?
Treatment for gynecomastia
Treatment for this condition depends on the cause. Simple options include dressing in a less noticeable way and losing weight. The doctor may prescribe you hormone therapy to correct imbalances, or surgery if tumors are the cause.
View the symptoms of Gynecomastia
Diseases related to Gynecomastia
References
Sansone A, Romanelli F, Sansone M, Lenzi A, Di Luigi L. Gynecomastia and hormones. Endocrine. 2017 Jan;55(1):37-44. doi: 10.1007/s12020-016-0975-9. Epub 2016 May 4. PMID: 27145756.
https://link.springer.com/article/10.1007/s12020-016-0975-9
Dickson G. Gynecomastia. Am Fam Physician. 2012 Apr 1;85(7):716-22. PMID: 22534349.
https://www.aafp.org/pubs/afp/issues/2012/0401/p716.html
Reviewed By:
Yoshinori Abe, MD (Internal medicine)
Dr. Abe graduated from The University of Tokyo School of Medicine in 2015. He completed his residency at the Tokyo Metropolitan Health and Longevity Medical Center. He co-founded Ubie, Inc. in May 2017, where he currently serves as CEO & product owner at Ubie. Since December 2019, he has been a member of the Special Committee for Activation of Research in Emergency AI of the Japanese Association for Acute Medicine. | | Dr. Abe has been elected in the 2020 Forbes 30 Under 30 Asia Healthcare & Science category.
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Seiji Kanazawa, MD, PHD
Obstetrics and gynecology (OBGYN)
National Center for Child Health and Development, Japan