Tomosynthesis is an imaging, or X-ray, technique that can be used to screen for early signs of breast cancer in people with no symptoms. This type of imaging can also be used as a diagnostic tool for people who are having breast cancer symptoms.
Tomosynthesis is an advanced type of mammography. The Food and Drug Administration (FDA) approved it in 2011. During Tomosynthesis, multiple images of the breast are taken. These images are sent to a computer that uses an algorithm to combine them into a 3-D image of the entire breast.
Procedure of Tomosynthesis
The procedure for Tomosynthesis is very similar to that of traditional mammography.
Tomosynthesis even uses the same type of imaging machine as traditional mammography. However, the images it takes are different. Not all imaging machines are equipped to take Tomosynthesis images.
Overall, the procedure lasts around 15 to 30 minutes.
Here’s what you should expect:
After the procedure is complete, you can resume your normal activities and diet.
If your results are normal and show no signs of cancer, you may hear from the doctor that same day.
If your results suggest you may have cancer, further testing and follow-up are needed. Result times will vary by facility.
If the results are inconclusive, the doctor may call you back in for further tests, such as an MRI or ultrasound. It may take at least 1 week to receive the results of one of those tests. However, one of the benefits of Tomosynthesis is that it results in lower callback rates, according to a 2019 study Trusted Source.
Advantages of Tomosynthesis
Tomosynthesis can be used to detect breast cancer before many people ever start to have any symptoms. Tomosynthesis can often discover breast cancer years before a person or their doctor could feel it or see any symptoms.
Disadvantages of Tomosynthesis
Magnetic resonance imaging (MRI) of the breast uses a powerful magnetic field, radio waves and a computer to produce detailed pictures of the structures within the breast. It is primarily used as a supplemental tool to breast screening with mammography or ultrasound. It may be used to screen women at high risk for breast cancer, evaluate the extent of cancer following diagnosis, or further evaluate abnormalities seen on mammography. Breast MRI does not use ionizing radiation, and it is the best method for determining whether silicone breast implants have ruptured.
Procedure of MRI
MRI exams may be done on an outpatient basis.
You will be positioned on the moveable exam table. Straps and bolsters may be used to help you stay still and maintain your position.
For an MRI of the breast, you will lie face down on a platform specially designed for the procedure. The platform has openings to accommodate your breasts and allow them to be imaged without compression. The electronics needed to capture the MRI image are actually built into the platform. It is important to remain very still throughout the exam. This is best accomplished by making sure you are comfortable and can relax rather than trying to actively hold still tensing your muscles. Be sure to let the technologist know if something is uncomfortable, since discomfort increases the chance that you will feel the need to move during the exam.
If MRI of the breast is being performed for the sole purpose of determining if you have a ruptured breast implant, you will not be given contrast material. If the exam is being performed for any other reason, you will need to have a contrast material injected intravenously. MRI of the breast without contrast material is inadequate for identifying breast cancers.
If a contrast material is used, a doctor, nurse or technologist will insert an intravenous catheter (IV line) into a vein in your hand or arm that will be used to inject the contrast material.
You will be placed into the magnet of the MRI unit. The technologist will perform the exam while working at a computer outside of the room.
If a contrast material is used during the exam, it will be injected into the intravenous line (IV) after an initial series of scans. More images will be taken during or following the injection.
When the exam is complete, you may be asked to wait while the radiologist checks the images in case more are needed.
Your IV line will be removed after the exam is over.
The imaging session lasts between 30 minutes and one hour and the total examination is usually completed within an hour and a half.
MR spectroscopy, which provides additional information on the chemicals present in the body’s cells, may also be performed during the MRI exam. This may add about 15 minutes to the total exam time.
Advantages of MRI:
Disadvantages of MRI: