Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:


New Technology May Help Radiologists Find More Breast Cancers


Digital tomosynthesis shows promise over conventional film mammography as a more specific breast screening technique and a more accurate diagnostic technology, according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA).

"The results of our preliminary trial suggest that tomosynthesis may decrease false-positive screening mammography findings by half, thereby reducing the number of women who are recalled after screening mammography for a second, more thorough exam," said lead author Steven Poplack, M.D., associate professor of diagnostic radiology and obstetrics and gynecology at the Dartmouth Hitchcock Medical Center/Dartmouth Medical School in Lebanon, N.H.

A patient’s experience is much the same for tomosynthesis as it is for a standard mammography exam. Tomosynthesis obtains digital data that can be manipulated and displayed in a variety of ways, including paging through or cine display of thin (one millimeter) sections or slices of breast tissue, which eliminates the problem of overlying tissue that might be mistaken for lesions or that may hide small cancers.

To evaluate the role of tomosynthesis in breast cancer screening and diagnosis, Dr. Poplack and colleagues studied 98 women who were recalled for diagnostic imaging following abnormal screening mammograms. The initial screening mammography exams showed 112 findings in the women.

When the researchers compared the exams and took into account findings seen with tomosynthesis only, they found that approximately 40 percent of the patients would not have been recalled had they originally been screened using tomosynthesis. As a diagnostic imaging technique for follow-up of a potential abnormality in the breast, tomosynthesis was as good if not better than diagnostic mammography in 88 percent of patients.

Dr. Poplack is optimistic about the ability of tomosynthesis to improve the overall accuracy of diagnosing breast disease. "Tomosynthesis is going to reduce the number of false-positive screening exams and will probably allow us to find more early breast cancers," he said.

He pointed to a number of reasons this technology is appealing. "The similarity of tomosynthesis to mammography allows us to build on the current foundation of mammography while improving interpretation," he said. "It is both an evolution of mammography technology and revolutionary new technology."

Dr. Poplack expects that tomosynthesis, which is currently in the research phase, will be routinely be used in both screening and diagnostic mammography at major medical centers in the next several years.

Dr. Poplack’s co-authors are Christine Kogel, R.N., Helene Nagy, M.D., and Tor Tosteson, Sc.D.

Maureen Morley | EurekAlert!
Further information:

More articles from Health and Medicine:

nachricht Advanced analysis of brain structure shape may track progression to Alzheimer's disease
26.10.2016 | Massachusetts General Hospital

nachricht Indian roadside refuse fires produce toxic rainbow
26.10.2016 | Duke University

All articles from Health and Medicine >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Etching Microstructures with Lasers

Ultrafast lasers have introduced new possibilities in engraving ultrafine structures, and scientists are now also investigating how to use them to etch microstructures into thin glass. There are possible applications in analytics (lab on a chip) and especially in electronics and the consumer sector, where great interest has been shown.

This new method was born of a surprising phenomenon: irradiating glass in a particular way with an ultrafast laser has the effect of making the glass up to a...

Im Focus: Light-driven atomic rotations excite magnetic waves

Terahertz excitation of selected crystal vibrations leads to an effective magnetic field that drives coherent spin motion

Controlling functional properties by light is one of the grand goals in modern condensed matter physics and materials science. A new study now demonstrates how...

Im Focus: New 3-D wiring technique brings scalable quantum computers closer to reality

Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant step towards to the realization of a scalable quantum computer.

"The quantum socket is a wiring method that uses three-dimensional wires based on spring-loaded pins to address individual qubits," said Jeremy Béjanin, a PhD...

Im Focus: Scientists develop a semiconductor nanocomposite material that moves in response to light

In a paper in Scientific Reports, a research team at Worcester Polytechnic Institute describes a novel light-activated phenomenon that could become the basis for applications as diverse as microscopic robotic grippers and more efficient solar cells.

A research team at Worcester Polytechnic Institute (WPI) has developed a revolutionary, light-activated semiconductor nanocomposite material that can be used...

Im Focus: Diamonds aren't forever: Sandia, Harvard team create first quantum computer bridge

By forcefully embedding two silicon atoms in a diamond matrix, Sandia researchers have demonstrated for the first time on a single chip all the components needed to create a quantum bridge to link quantum computers together.

"People have already built small quantum computers," says Sandia researcher Ryan Camacho. "Maybe the first useful one won't be a single giant quantum computer...

All Focus news of the innovation-report >>>



Event News

#IC2S2: When Social Science meets Computer Science - GESIS will host the IC2S2 conference 2017

14.10.2016 | Event News

Agricultural Trade Developments and Potentials in Central Asia and the South Caucasus

14.10.2016 | Event News

World Health Summit – Day Three: A Call to Action

12.10.2016 | Event News

Latest News

'Neighbor maps' reveal the genome's 3-D shape

27.10.2016 | Life Sciences

Gene therapy shows promise for treating Niemann-Pick disease type C1

27.10.2016 | Life Sciences

Solid progress in carbon capture

27.10.2016 | Power and Electrical Engineering

More VideoLinks >>>