Mammographic Tomosynthesis

Mammographic Tomosynthesis-82
It can also be used to investigate breast problems, such as a suspicious lump or thickening.When used for breast cancer screening, the 3D mammogram machine creates 3D images and standard 2D mammogram images because both types of images have some advantages in seeing certain breast abnormalities.

It can also be used to investigate breast problems, such as a suspicious lump or thickening.When used for breast cancer screening, the 3D mammogram machine creates 3D images and standard 2D mammogram images because both types of images have some advantages in seeing certain breast abnormalities.

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A doctor who specializes in interpreting imaging tests (radiologist) examines the images to look for abnormalities that may be breast cancer.

If the radiologist sees anything unusual, he or she will use your standard mammogram and any older mammogram images that are available to determine whether additional testing is needed.

Your breast is positioned against the platform again, and the clear plastic plate is used to apply pressure. The 3D mammogram images can be analyzed as a whole or examined in small fractions for greater detail.

For breast cancer screening purposes, the machine also creates standard 2D mammogram images.

If these findings are "supported by cost-effectiveness studies, one-view digital breast tomosynthesis warrants consideration as the preferred breast cancer screening method in the future," the researchers comment. Furthermore, "In this study, digital breast tomosynthesis detected more invasive cancers, more invasive lobular cancers, and fewer ductal carcinomas in situ than digital mammography." Yaffe believes that the results will therefore "go a long way towards motivating a change away from the use of digital mammography in national breast cancer screening and towards adoption of digital breast tomosynthesis." He notes, however, that technical differences as well as differences in image acquisition and processing between systems "might reduce the generalisability of the results." Taken together, this means that the "question of whether digital breast tomosynthesis detects more of the cancers which, if undetected, would result in death or increased morbidity remains unanswered." He suggests that some answers to these questions are likely to come from the ongoing Tomosynthesis Mammographic Imaging Screening Trial, sponsored by the Sunnybrook Health Sciences Center.

This trial includes systems from all manufacturers and takes into account the nature of the cancers detected.This is not least in part due to the overlapping of breast tissue when generating the images.This can hide tumor tissue and thus lead to a false negative result, or healthy tissue can have the appearance of a tumor, creating a false positive result.Pressure is applied for a few seconds to spread out the breast tissue.The pressure isn't harmful, but you may find it uncomfortable or even painful.For the procedure itself, you stand in front of an X-ray machine equipped to perform 3D mammograms.The technician places one of your breasts on a platform and raises or lowers the platform to match your height.A simplified version of an advanced breast imaging technique known as digital breast tomosynthesis detects significantly more breast cancers than standard digital mammography and can potentially reduce the radiation dose and the screen-screen-reading burden of breast cancer screening, say Swedish investigators.Breast tomosynthesis could replace mammography for breast cancer screening in the future, suggest Sophia Zackrisson, Ph D, Department of Translational Medicine, Diagnostic Radiology, Lund University, Skåne University Hospital Malmö, Sweden, and colleagues.Combining a 3D mammogram with a standard mammogram can: There isn't enough evidence to conclude that 3D mammograms can reduce the risk of dying of breast cancer more than a standard mammogram alone.For this reason, most guidelines for breast cancer screening don't specify that women should choose 3D mammograms over standard mammograms alone.

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