You’ll receive complete diagnostic and consultative services from compassionate doctors and technologists specializing in breast imaging care.
Medically reviewed by Shadi Aminololama-Shakeri, M.D. on May 04, 2026.
Breast imaging uses medical technology to examine the inside of your breasts. Imaging helps us detect both cancerous and benign (non-cancerous) breast conditions.
The UC Davis Health Department of Radiology offers advanced diagnostic imaging tests to screen for breast cancer and detect abnormalities. Our dedicated breast imaging technologists and specialists ensure you receive an accurate exam and diagnosis.
At UC Davis Health, we offer a full spectrum of breast imaging tests using advanced equipment and technology. Our highly trained technologists provide compassionate care and ensure you stay comfortable during your exam.
Digital mammography, also known as 2D mammography, uses a low-dose X-ray to take 2-dimensional pictures of your breast (from top to bottom and side to side). 2D mammograms can show breast cancer and other non-cancerous breast conditions like cysts or calcium deposits.
Tomosynthesis, also known as 3D mammography, uses low-dose X-ray technology to take images of your breasts from different angles. Studies show tomosynthesis may pick up breast cancer and breast abnormalities better than 2D mammograms in patients who have dense breast tissue.
A breast MRI creates detailed images of the inside of your breasts using radio waves and magnets. We may recommend an MRI along with a mammogram if you are at higher risk for breast cancer.
A breast ultrasound creates images of the inside of your breasts using sound waves. Ultrasound helps us determine if a breast lump is a fluid-filled cyst or a solid mass. It also helps us detect abnormalities in dense breast tissue that a mammogram might miss.
Contrast-Enhanced Mammography (CEM) is a specialized mammogram that uses a small amount of contrast material injected through a vein. This contrast helps show areas of increased blood flow, which can make certain findings easier to see. It may be recommended when a screening mammogram needs further evaluation or to look further when a patient or her provider notices a new finding in her breast. CEM can also be helpful in patients with dense breast tissue.
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We use breast imaging tests to examine a change in your breasts and to screen for cancer. We recommend annual mammograms for breast cancer screening starting at age 40. We may also recommend a breast ultrasound or MRI if you have dense breast tissue or experience breast cancer symptoms.
Learn what it means to have dense breasts and why screening is so critical
If you menstruate, try not to schedule your mammogram for the week before your period. Sore or swollen breasts can make the test uncomfortable.
You will need to undress above the waist before your exam (we will provide you with a wrap). Do not apply antiperspirant, powder, deodorant or lotion to your underarms or breasts. These products can show up on your X-ray and interfere with the images.
You will stand in front of the X-ray machine, and your technologist will guide your breast into position. Two plates will compress your breast so the X-ray can get high-quality images. Your technologist will take images of your breast from different angles.
We will send your mammogram results to your provider. We will also provide you with a summary of your results within 30 days.
Sometimes, you will be asked to take another imaging test after your breast cancer screening has been read by a radiologist. Reasons for a follow-up imaging test include:
The radiologist who analyzes your images may notice that an area of your breast looks different from other areas. They may want additional images of the area.
Your radiologist may notice a finding (like a lump) in your breast that needs a closer examination.
You may need another mammogram if images from your mammogram are not clear or more imaging is needed to see different areas of your breast more clearly.
“Mammogram Basics,” American Cancer Society, https://www.cancer.org/cancer/types/breast-cancer/screening-tests-and-early-detection/mammograms/mammogram-basics.html
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