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Intraductal papilloma

Intraductal papilloma is a small, noncancerous (benign) tumor that grows in a milk duct of the breast.

Causes

Intraductal papilloma occurs most often in women ages 35 to 55. The causes and risk factors are unknown.

Symptoms

Symptoms include:

  • Breast lump
  • Nipple discharge, which may be clear or bloodstained

These findings may be in just one breast or in both breasts.

For the most part, these papillomas do not cause pain.

Exams and Tests

The health care provider might feel a small lump under the nipple, but this lump cannot always be felt. There may be discharge from the nipple. Sometimes, an intraductal papilloma is found on a mammogram or ultrasound, and then diagnosed by a needle biopsy.

If there is a mass or nipple discharge, both mammogram and ultrasound should be performed.

If a woman has nipple discharge, and no abnormal finding on mammogram or ultrasound, then breast MRI is sometimes recommended.

A breast biopsy may be done to rule out cancer. If you have nipple discharge, a surgical biopsy is performed. If you have a lump, sometimes a needle biopsy can be done to make a diagnosis.

Treatment

The duct is removed with surgery if mammogram, ultrasound, and MRI don't show a lump that can be checked with a needle biopsy. The cells are checked for cancer (biopsy).

Outlook (Prognosis)

For the most part, intraductal papillomas do not appear to increase the risk for developing breast cancer.

The outcome is excellent for people with one papilloma. The risk for cancer may be higher for:

  • Women with many papillomas
  • Women who get them at an early age
  • Women with a family history of cancer
  • Women who have abnormal cells in the biopsy

Possible Complications

Complications of surgery can include bleeding, infection, and anesthesia risks. If the biopsy shows cancer, you may need further surgery.

When to Contact a Medical Professional

Call your provider if you notice any breast discharge or a breast lump.

For more information on testing, diagnostic, surgical and treatment services available at Huron Regional Medical Center, click here. The medical staff at HRMC includes full-time primary and specialty physicians to care for your whole family, as well as visiting specialists who see patients in HRMC'S Specialty Clinic, HRMC Physicians Clinic and other local clinics. Learn more by visiting our online Find-a-Doc directory.

Prevention

There is no known way to prevent intraductal papilloma. Breast self-exams and screening mammograms can help detect the disease early.

References

Davidson NE. Breast cancer and benign breast disorders. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 25th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 198.

Hunt KK, Mittlendorf EA. Diseases of the breast. In: Townsend CM, Beauchamp RD, Evers BM, Mattox KL, eds. Sabiston Textbook of Surgery. 20th ed. Philadelphia, PA: Elsevier; 2017:chap 34.

  • Needle biopsy of the breast

    Needle biopsy of the breast - illustration

    A needle biopsy is performed under local anesthesia. Simple aspirations are performed with a small gauge needle to attempt to draw fluid from lumps that are thought to be cysts. Fine needle biopsy uses a larger needle to make multiple passes through a lump, drawing out tissue and fluid. Withdrawn fluid and tissue is further evaluated to determine if there are cancerous cells present.

    Needle biopsy of the breast

    illustration

  • Intraductal papilloma

    Intraductal papilloma - illustration

    Intraductal papilloma is a benign tumor inside a milk duct. Removal of the duct for biopsy may be recommended to rule out cancer.

    Intraductal papilloma

    illustration

  • Abnormal discharge from the nipple

    Abnormal discharge from the nipple - illustration

    Abnormal nipple discharge may be described as any discharge not associated with lactation. The nature of the discharge may range in color, consistency and composition, and occur in one or both breasts.

    Abnormal discharge from the nipple

    illustration

    • Needle biopsy of the breast

      Needle biopsy of the breast - illustration

      A needle biopsy is performed under local anesthesia. Simple aspirations are performed with a small gauge needle to attempt to draw fluid from lumps that are thought to be cysts. Fine needle biopsy uses a larger needle to make multiple passes through a lump, drawing out tissue and fluid. Withdrawn fluid and tissue is further evaluated to determine if there are cancerous cells present.

      Needle biopsy of the breast

      illustration

    • Intraductal papilloma

      Intraductal papilloma - illustration

      Intraductal papilloma is a benign tumor inside a milk duct. Removal of the duct for biopsy may be recommended to rule out cancer.

      Intraductal papilloma

      illustration

    • Abnormal discharge from the nipple

      Abnormal discharge from the nipple - illustration

      Abnormal nipple discharge may be described as any discharge not associated with lactation. The nature of the discharge may range in color, consistency and composition, and occur in one or both breasts.

      Abnormal discharge from the nipple

      illustration


     

    Review Date: 11/26/2017

    Reviewed By: Debra G. Wechter, MD, FACS, general surgery practice specializing in breast cancer, Virginia Mason Medical Center, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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