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File Format | PDF
File Size | 9.32 MB
Pages | 390
Language | English
Category | Radiology
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Description: A mammogram is an x-ray exam of the breast. It is used to detect and evaluate breast changes. Mammograms are most often used to look for breast cancer that is too small to be felt in women who have no breast complaints or symptoms. These are called screening mammograms.
Mammograms are also used in women who have breast symptoms, such as a lump, pain, nipple discharge, or who have a suspicious change seen on a screening mammogram. These are called diagnostic mammograms.
X-rays were first used to examine the breasts more than 90 years ago. But modern mammography has only existed since the late 1960s, when the first x-ray machines used just for breast imaging became available. Since then, the technology has advanced a lot, and today's mammogram is very different even from those of the mid-1980s.
The special type of x-ray machine used for the breasts produces lower energy x-rays. These x-rays do not go through tissue as easily as those used for routine chest x-rays or x-rays of the arms or legs, but this improves the contrast of the image. Modern mammograms also expose the breast to much lower doses of radiation compared with devices used in the past.
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Guide to Mammography And Other Breast Imaging Procedures ( Radiology )
Download | Free
