Updated 08 December 2014

New device may make mammograms more comfortable

A new device which displays the pressure on the breast during a mammogram may reduce discomfort levels.


Dutch researchers have developed a device that may reduce the discomfort many women feel during a mammogram while preserving the quality of the image.

A difficult task

Breast compression is necessary in mammography for imaging purposes, but it can be painful. The new device displays the average pressure during compression, so the pressure can be adjusted and standardised, which reduces pain, according to the researchers.

Currently, mammographers can only estimate the pressure applied to the breasts, according to study researcher Woutjan Branderhorst, from the Academic Medical Centre in Amsterdam and a scientist at Sigmascreening, the company developing the device.

Read: Mammograms save lives

Funding for the study was provided by Pink Ribbon, an organisation that supports breast cancer research and awareness, and Sigmascreening, a spin-off company of the Academic Medical Centre.

Those who perform mammograms have a difficult task, Branderhorst explained. They must ''adjust the applied compression force to breast size, composition, skin tautness and pain tolerance," he said.

Currently, he said, the technologist doing the mammogram can only use visual and tactile clues to estimate the pressure on the breast. This results in large variations, Branderhorst said.

''Especially for small breasts, this can lead to extremely high pressure," he added.

High pressures avoided

"The device used in our study measures and displays the pressure in real time, which provides an objective guide for the technologists and enables standardisation of the pressure," Branderhorst said.

This makes the procedure less uncomfortable because high, painful pressures are avoided, he said.

In their study, Branderhorst and his team performed mammograms on more than 400 women undergoing routine mammograms. The researchers theorised that a protocol based on pressure, not force, would make the tests more comfortable.

Read: Which mammogram to choose?

Using the new device, they did four compressions on each woman. Three were standardised to a specific force; one was standardised to a specific target pressure.

The mammogram targeted for pressure was rated as less painful, on average, by the women. The pressure-targeted mammogram didn't reduce image quality, Branderhorst noted.

Existing mammography machines could be upgraded with the device, Branderhorst said, and the device could be integrated into new machines. The extra costs would be minimal, he predicted.

Too early to tell

Branderhorst is scheduled to present the results of the study at the annual meeting of the Radiological Society of North America in Chicago. Findings presented at meetings are generally considered preliminary until they've been published in a peer-reviewed journal.

Dr. Lusi Tumyan, chief of breast imaging at the City of Hope Cancer Centre in Duarte, California, reviewed the findings. "It looks promising and it looks interesting, but it is too early to tell," she said.

Currently, she said, mammographers use visual clues to determine how much pressure to apply. "If a patient is uncomfortable we don't press as much."

If the research bears out, she said, the device might also help standardise the mammograms from year to year.

However, Tumyan said, since the number of women in this study was small, more studies would be needed.

Read more:

Gel eases mammogram pain
More benefits of mammograms
Missed mammograms increase cancer risk

Image: Woman undergoing a mammogram from Shutterstock

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