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Breast Diseases
Reviewed by Medicinsk Expert•Last updated: 2026-10-22•Women

Breast Diseases

Most breast changes are benign, but any new lump, pain, or skin irritation should be evaluated by a health care provider to rule out serious conditions.

Overview

Breast diseases encompass various conditions and changes in breast tissue. While many women fear cancer, most breast changes are benign (not cancerous). Changes in age, hormone levels, and medications can lead to lumps, bumps, or fluid discharge.

Common Breast Conditions

  • Fibrocystic breast changes: Lumpiness, thickening, and swelling, often occurring before a menstrual period.
  • Cysts: Fluid-filled, potentially tender lumps.
  • Fibroadenomas: Solid, round, rubbery lumps that move easily when pushed.
  • Intraductal papillomas: Wart-like benign tumors in the milk duct.
  • Blocked milk ducts or milk production when not breastfeeding.

Symptoms

Benign breast diseases may be asymptomatic or present with:

  • A lump or firm feeling in the breast or under the arm
  • Changes in breast size or shape
  • Nipple discharge
  • Skin changes such as itching, redness, dimpling, scaling, or puckering
  • Painful, swollen, or tender breasts

Diagnosis

Breast changes may be identified through self-examination, clinical breast exams, or imaging tests such as a mammogram, MRI, or ultrasound. A breast biopsy may be recommended to evaluate suspicious changes.

Treatment

Treatment depends on the specific type of breast disease. Some conditions resolve without intervention, while others require monitoring, biopsy, or surgery. Because some benign changes may increase the future risk of breast cancer, professional medical evaluation is essential.

Frequently Asked Questions

You should see a provider promptly if you notice a new lump that feels different from the surrounding tissue, a change in the size or shape of your breast, nipple inversion (turning inward), or any nipple discharge, especially if it is bloody or clear. Skin changes such as dimpling, puckering, redness, or scaling that resembles an orange peel are also urgent signs. While most lumps are benign, early evaluation allows for timely diagnosis and peace of mind.
Before a biopsy, your provider will explain the type of procedure (core needle, fine needle, or surgical) and may ask you to stop taking blood thinners like aspirin or ibuprofen for a few days to reduce bleeding risk. During a core needle biopsy, you will be awake with local anesthesia; you may feel pressure or a pinching sensation as the needle is inserted. The procedure usually takes less than 30 minutes, and you may experience mild soreness or bruising afterward, which can be managed with over-the-counter pain relievers.
mammogram uses low-dose X-rays to detect early signs of cancer, such as microcalcifications, and is the standard screening tool for average-risk women. An ultrasound uses sound waves to create images and is often used as a follow-up to a mammogram to determine if a lump is solid (like a fibroadenoma) or fluid-filled (like a cyst). Ultrasound is also preferred for dense breast tissue, where mammograms may have lower sensitivity, and for evaluating lumps in younger women.
Fibrocystic breast changes are very common and are generally not considered a significant risk factor for breast cancer. However, certain subtypes of fibrocystic changes, such as atypical hyperplasia or complex fibroadenomas, can slightly increase risk. Your doctor will determine if your specific changes require more frequent screening, such as annual mammograms or MRI, based on your biopsy results and family history.
Source: MedlinePlus, National Library of Medicine

MedlinePlus brings together authoritative health information from the National Library of Medicine (NLM), the National Institutes of Health (NIH), and other government agencies and health-related organizations.

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