Mammogram

X-Ray, Breast (Mammography)

Results

A mammogram is an X-ray test of the breasts (mammary glands) used to screen for breast problems, such as a lump, and whether a lump is fluid-filled (a cyst) or a solid mass. Mammogram results are usually available within 10 days. It is not uncommon to be asked to return for another test so an additional view of an area in question can be obtained.

In the United States, facilities that perform mammograms send the results directly to your health professional's office and must send you a copy of the test results (written in language that is easily understood) within 30 days.

Mammogram

Normal:	Breast tissue looks normal. No unusual growths, lumps, or other types of abnormal tissue are seen. The glands that produce milk for breast-feeding and the tubes (ducts) through which milk flows appear normal.
Abnormal:
	An abnormal growth, lump, or other type of tissue may be seen. A cancerous (malignant) or noncancerous (benign) tumor may be seen. One or more fluid-filled pockets (cysts) may be seen.
	Bits of calcium (calcifications) may be seen. Tiny calcifications (microcalcifications) often occur in areas where cells are growing very rapidly (such as in a cancerous tumor). Larger calcifications (macrocalcifications) are usually normal and noncancerous in women over the age of 50.
Need more information:	A specific area needs to be looked at again. This is a very common result for many women and does not mean that the area is abnormal or cancerous.

Most abnormalities found during a mammogram are not breast cancer. However, many women who have regular screening mammograms need additional tests to investigate any abnormalities found during a mammogram. If an area of your breast tissue appears to be a concern during a mammogram, other tests may be done.

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Author:	Jan Nissl, RN, BS	Last Updated: February 22, 2007
Medical Review:	Joy Melnikow, MD, MPH - Family Medicine Deborah A. Penava, BA, MD, FRCSC, MPH - Obstetrics and Gynecology
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