Breast Lumps - Topic Overview

SYMPTOMS & TREATMENTS

Breast lumps are common, especially in women ages 30 to 50. A number of conditions can result in a lump or lumps in your breast. Most of these conditions are harmless or of minor concern.

  • Generalized breast lumpiness usually feels like lots of little bumps (nodularity) or as though some areas of the breast are thicker or denser than other areas. Your breasts also may feel tender. The lumps may occur in both breasts around the nipple and in the upper, outer part of the breasts, especially before your menstrual period. The lumps may come and go and change size in just a few days. Generalized lumpiness was once thought to be abnormal and was even called fibrocystic breast disease, but it is so common that it is now considered normal. Breast lumpiness usually goes away after menopause but may be found in women who are taking hormone replacement after menopause.

Following are other types of breast lumps and their symptoms.

Cysts and abscess lumps

  • Cysts are fluid-filled sacs in the breast. They feel smooth or rubbery and move about under the fingers. They can be quite painful or tender, or they may be painless. Cysts are caused by the hormones that control the menstrual cycle. Cysts are rare in women older than 50 and are not related to breast cancer. If you have a cyst, your health professional may drain (aspirate) it to help relieve the pain and confirm the diagnosis.
  • Sebaceous cysts are caused by plugged ducts at the site of a hair follicle. Like a cyst, they move freely under the fingers. Hormone stimulation or injury may cause them to enlarge. A sebaceous cyst that does not cause symptoms does not require medical treatment. Removal usually involves making a small incision in the skin and removing the entire sac so that it does not return.
  • Abscesses are pockets of infection within the breast. They may be quite painful, and the skin over the breast may be red or feel hot or solid. You may feel feverish or ill. Abscesses are treated with antibiotics and surgery to drain the abscess. They are most common in women who are breast-feeding.

Fatty lumps

  • Fat necrosis is a condition in which the normal fat cells of the breast go through a change and become round lumps. The lumps may or may not be painful and may be firm. The skin over the lump may be red or look bruised. Fat necrosis may occur after a bruise or other injury to the chest or breast and can occur from weeks to years after an injury. Fat necrosis usually goes away without treatment but can form permanent scar tissue that may show up as an abnormality on a mammogram.
  • Lipomas are noncancerous lumps of fatty tissue. They can be small or large. A woman may have just one or several lipomas at once.

Growths

  • Adenomas are noncancerous abnormal growths of the glandular tissue in the breast. The most common growths, fibroadenomas, are somewhat more common in women in their 20s and in women of African descent. They usually feel round and firm and have smooth borders. They may move a little under the fingers, be tender, and change with the menstrual cycle. Adenomas are not related to breast cancer.
  • Intraductal papillomas are wartlike growths in the ducts of the breast. They usually feel like lumps just under the nipple and can cause a bloody discharge from the nipple. Women close to menopause may have only one growth. Several growths in both breasts are more common in younger women.
  • Breast cancer usually feels like a hard or firm lump (nodule). It usually is irregular in shape (it does not have smooth edges) and may feel like it is attached (fixed) to skin or tissue deep inside the breast so that it cannot be moved without moving breast tissue. Breast cancer is rarely painful and can occur anywhere in the breast or nipple.

Blood clots

  • Blood clots in a vein (thrombophlebitis) can feel like a lump. The phlebitis affects the large vein that normally crosses the chest to the underarm area (axilla). Symptoms include pain, redness, warmth, and lumpiness along the course of the vein. Blood clots in the breast or on the chest wall are rare.

It can be difficult to tell what is causing a lump in your breast. Call your health professional if you feel a new lump in your breast or if you have generalized breast lumpiness and you notice a distinct lump in your breast that is not like the rest of your breast (dominant lump). A dominant lump in the breast is any lump that is new, larger, harder, or different in any other way from the rest of the breast tissue.

By: Healthwise StaffLast Revised: January 20, 2010
Medical Review: Anne C. Poinier, MD - Internal Medicine
Deborah A. Penava, BA, MD, FRCSC, MPH - Obstetrics and Gynecology

© 1995-2011 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated. This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions.

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