what type of x ray is a mammogram?
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Mammogram Basics. A mammogram is a low-dose x-ray that allows doctors called radiologists to look for changes in breast tissue.
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If a mammogram is classified into the BI-RADS category 3 it tends to have a very low positive predictive value (less than 2%), meaning the chance of being diagnosed with breast cancer is low. A BI-RADS category 4 mammogram has a positive predictive value of about 30%.
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After your breasts have been X-rayed, the mammogram will be checked for any abnormalities. You'll receive a letter with your breast screening results within 2 weeks of your appointment. The results will also be sent to your GP.
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The chest x-ray is the most commonly performed diagnostic x-ray examination. A chest x-ray produces images of the heart, lungs, airways, blood vessels and the bones of the spine and chest. An x-ray (radiograph) is a noninvasive medical test that helps physicians diagnose and treat medical conditions.
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Knowing how to prepare for your mammogram can help ease your mind and speed the process. Don't wear deodorant, perfume, lotion or powder under your arms or on your breasts on the day of your exam. Foreign particles could show up in an x-ray.
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The x-rays project a picture onto film or send a digital image to a computer. ... Medical x-rays, dental x-rays, and mammograms use relatively low amounts of radiation. CT scans and fluoroscopic procedures result in higher radiation doses due to the need for multiple images and/or a longer exposure time.
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Mammogram: The Key Differences. A mammogram uses a low dose of radiation to take an image of the breast. The tissue is compressed between two plates in order for the best image to be taken. An ultrasound uses high-frequency sound waves and converts them to an image.
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['breast examination.', 'scan – usually a breast X-ray (mammogram) or ultrasound.', 'biopsy – where a needle is inserted into the lump to remove some cells for testing.']
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There are two main types of dental X-rays: intraoral (meaning the X-ray film is inside the mouth) and extraoral (meaning the X-ray film is outside the mouth). Intraoral X-rays are the most common type of dental X-ray taken.
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When X-rays are used X-rays can be used to examine most areas of the body. They're mainly used to look at the bones and joints, although they're sometimes used to detect problems affecting soft tissue, such as internal organs. Problems that may be detected during an X-ray include: bone fractures and breaks.
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3D Mammograms More Effective Than 2D Mammograms in Women 65 and Older. A study has found that compared to traditional 2D mammograms, 3D mammograms offer fewer false positives and are more effective in women age 65 and older.
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This x-ray can check any lumps or other changes found by the physical examination. It can also find changes that are too small to be felt during a physical examination. During the mammogram, one breast at a time is pressed between two x-ray plates, which spread the breast tissue out so that clear pictures can be taken.
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Mammograms can find most breast cancers that start when a woman is pregnant, and it's generally thought to be safe to have a mammogram during pregnancy. The amount of radiation needed for a mammogram is small, and the radiation is focused on the breasts, so that most of it doesn't reach other parts of the body.
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A chest X-ray helps detect problems with your heart and lungs. The chest X-ray on the left is normal. The image on the right shows a mass in the right lung. Chest X-rays produce images of your heart, lungs, blood vessels, airways, and the bones of your chest and spine.
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An X-ray is a diagnostic test that uses radiation waves, called x-rays, to take pictures of your body tissues.
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X-rays with high photon energies (above 5–10 keV, below 0.2–0.1 nm wavelength) are called hard X-rays, while those with lower energy (and longer wavelength) are called soft X-rays. ... The term X-ray is metonymically used to refer to a radiographic image produced using this method, in addition to the method itself.
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Chest X-ray Chest X-rays produce images of your heart, lungs, blood vessels, airways, and the bones of your chest and spine. Chest X-rays can also reveal fluid in or around your lungs or air surrounding a lung.