Medical Author: William C. Shiel Jr., MD, FACP, FACR
Breast lumps are localized swellings, knots, bumps, bulges, or protuberances in the breast. Breast lumps may appear in both sexes at all ages. In women, the fear is usually of breast cancer, but fortunately many breast lumps turn out to be due to benign conditions that can be successfully treated, such as infection, trauma, fibroadenoma, cyst, or fibrocystic disease of the breast. Breast lumps may or may not be associated with
No breast lump should be be dismissed as benign until it has been evaluated by a physician.
Kasper, D.L., et al., eds. Harrison's Principles of Internal Medicine, 19th Ed. United States: McGraw-Hill Education, 2015.
Pictures, Images, Illustrations & Quizzes
10 Things Young Women Should Know About Breast Cancer
Is breast cancer genetic? Should I get tested for the BRCA gene? What every young women should know about breast cancer. Discover...
Breast Cancer Diagnosis and Treatment
Learn about breast cancer causes, symptoms, tests, recovery, and prevention. Discover the types of treatments such as surgery and...
Breast Cancer Quiz: Symptoms & Signs
This Breast Cancer Quiz features signs, symptoms, facts, causes, common forms, terms, risk factors, statistics, and more. ...
Picture of Breast Anatomy
The breast refers to the front of the chest or, more specifically, to the mammary gland. See a picture of Breast Anatomy and...
Causes of Breast Lumps
Breast cancer is an invasive tumor that develops in the mammary gland. Breast cancer is detected via mammograms, breast...
Cancer is a disease caused by an abnormal growth of cells, also called malignancy. It is a group of 100 different diseases, and...
Fibrocystic Breast Condition (Cysts, Fibrosis, Lumps)
Fibrocystic breast condition (sometimes called fibrocystic breast disease) is characterized by lumpiness and usually discomfort...
Is Cancer Contagious?
Cancer is an abnormal growth of cells. A variety of parasites and viruses have been linked to various cancers. Cancer may...
Male Breast Cancer
Male breast cancer accounts for 1% of all breast cancers, and most cases are found in men between the ages of 60 and 70. A man's...
Paget Disease of the Breast
Paget's disease is a rare form of cancer that forms in or around the nipple and frequently coexists with breast cancer. The exact...
Other Causes of Breast Lumps
- Breast Cyst
- Injuries by Trauma
Subscribe to MedicineNet's Cancer Report Newsletter