Breasts Appear Different
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Try one of these related symptoms.
Dimple in the breast
Dip in nipple
Nipple retraction
There is a difference in nipple height
About the Symptom
Breast asymmetry occurs when one breast has a different size, volume, position, or form from the other. Breast asymmetry is normal, and almost every woman's breasts are not exactly the same on both sides. Poland's syndrome is a very rare condition where the chest muscles are missing or underdeveloped on one side and the breast is also much smaller. This can happen in women or men. In general, this is all normal. If asymmetry occurs rapidly and one breast becomes much smaller or larger over a short period of time this should be evaluated by a physician.
When to See a Doctor
Seek professional care if you experience any of the following symptoms
- Difference in nipple heights or breat appearance
Possible Causes
Generally, Breasts appear different can be related to:
- Breast Cancer
Breast cancer is a malignancy that arises in the breasts of men or women. It can arise from ducts or lobules. Patients either find a lump or have an abnormal mammogram. Risk factors include being female, having breasts, have a genetic predisposition (eg a gene you inherit from a parent), family history of breast or ovarian cancer, getting older, personal history of breast biopsies, dense breasts on mammography, or ovarian cancer, alcohol, and obesity. Protective factors include pregnancy, especially at a younger age, weight maintenance especially after menopause, and exercise.
- Mastopathy
A condition where a painful lump forms in the breast due to imbalances in female hormone levels, causing symptoms to occur before and during menstruation.
- Paget's Disease of the Breast
This is a rare type of breast cancer affecting the nipple and surrounding skin (areola). It is most common in women over 50 but can also develop in men. Common risk factors include increasing age and a personal or family history of breast or other cancers.
Doctor's Diagnostic Questions
Your doctor may ask these questions to check for this symptom:
- Have you noticed any differences in your nipple heights or breast appearance?
- How has the nipple height or appearance of the breast(s) changed since it started?
- How long have you noticed a difference in nipple heights or changes in the appearance of your breast/s (e.g. dimpled area)?
Reviewed By:
Alice Police, MD (Breast Surgery)
Breast Surgeon of 30 years experience. Recent Chief of breast surgery at UCIrvine Medical Center, Northwell Health in New York State, Chief of breast surgery at Monument Health in Rapid City South Dakota. Breast Cancer Researcher in conjunction with multiple studies through Notre Dame department of electrical engineering. CMO of Nearwave, a start up breast cancer device company.
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.
Content updated on Feb 6, 2025
Following the Medical Content Editorial Policy
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Link to full study:
https://www.medrxiv.org/content/10.1101/2024.08.29.24312810v1References
Breast Asymmetry - American College of Radiology
https://www.acr.org/Clinical-Resources/Reporting-and-Data-Systems/Bi-Rads