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The science

Screening shouldn’t leave you behind.

Whether it’s dense tissue a mammogram can miss, or you’re not yet old enough for one to be recommended, BeSound images the entire breast at once, using FDA-approved ultrasound (ABUS).

What dense tissue hides

A mammogram can’t always see through density.

Mammogram of a breast where dense tissue appears white, framed against black and white photographs of skin

On a mammogram, dense tissue and a tumor can look the same: both show up white. That overlap can camouflage a cancer for years. It’s why nearly 1 in 2 women aged 40–74 have dense breasts,03 and why 40% of cancers in dense breasts are missed by mammography alone.

And because routine mammograms typically don’t begin until 40, younger women can fall through the gap entirely.

Why early matters

Catching it early changes the odds.

Dense tissue can hide cancers that ABUS is designed to surface, and finding them sooner means less aggressive treatment and fewer unnecessary procedures. And the exam itself is easy: about 20 minutes, no radiation, no compression, no contrast dye.

1 in 2

women have dense breast tissue.

Woman resting on her back with eyes closed, wearing a lace-trimmed top

Advanced ultrasound detects 35.7% more breast cancers than mammography alone, especially in women with dense breast tissue.

99%

of breast cancers are survivable when caught early.

The science behind our scan

One scan. The whole picture.

Illustrated 3D block of ultrasound imagery lifted from a woman's chest, with callouts labeling the skin surface, tissue layers, and reflected ultrasound signals

Whole-breast 3D

It captures everything, automatically

Instead of a sonographer steering a wand by hand, a soft transducer sweeps the entire breast on its own, hundreds of images in a single pass, and assembles them into one standardized 3D volume.

ABUS review workstation displaying a reconstructed 3D breast volume alongside coronal and cross-sectional ultrasound views

The coronal view

A view a mammogram can't show

From that volume, ABUS reconstructs a coronal plane, a top-down view through the breast, where small, invasive cancers that hide in dense tissue stand out. It’s a big reason ABUS detects 35.7% more cancers than mammography alone, a result confirmed in the 2025 BRAID trial.

Circular scan marker over a woman's chest connected to a timeline of yearly screenings in 2026, 2027, and 2028

Standardized & reproducible

The same, every single time

Because the scan is automated, your results are reproducible year over year: easy to compare against priors, and consistent no matter who runs the exam.

Beyond the handheld

Not the ultrasound you’ve had before.

Handheld ultrasound

  • FDA-cleared
  • Designed for general use
  • Generates real-time 2D images
  • Dependent on operator technique
  • Experience varies by facility
  • Turnaround varies by facility
  • FDA-approved
  • Designed to scan the entire breast
  • Creates a comprehensive 3D breast imageImproved visibility with coronal views
  • Standardized and reproducibleBetter consistency, tracking, and fewer false positives
  • 35+ years of physician expertiseEvery scan interpreted with decades of experience
  • Results within 24-48 hours
Dr. Rachel Brem
That FDA approval rests on a pivotal clinical study.
Led by Dr. Rachel Brem, MD, renowned breast radiologist

In her words

Loved by the women who’ve had it.

In a patient-experience study, 100% of women said they’d recommend an ABUS exam to their best friend.

It was completely painless, comfortable, and fast. The appointment only took about fifteen minutes.
Diana, ABUS patient
I knew I had dense tissue. Requesting this made the whole journey easier, and it was totally pain-free.
Jill, ABUS patient
I felt peace of mind knowing there was no radiation. My cancer was detected early, and I could start treatment right away.
Guelsen, ABUS patient

Frequently asked questions

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