International product information

The product details shown after you switch describe the versions of Rho authorized outside the United States, including the Rho Score, which is not part of the US version.

US product information

The product details shown after you switch describe the version of Rho authorized in the United States, which reports whether a patient is Rho Positive.

Request a demo →
Opportunistic bone health screening

Find low bone density in the X-rays you already take.

Rho™ reads routine frontal chest, thoracic spine, lumbar spine, pelvis, hand or wrist, and knee X-rays for signs of low bone density and flags patients for a clinical assessment of bone health. Use Rho Enterprise, integrated with your PACS, or Rho Direct, from a browser. No new scans, visits, or radiation.

Request a demo → Explore Rho

Routine X-ray. A technologist takes a routine frontal X-ray of a patient aged 50 or older, ordered for any clinical reason.

Authorized for clinical use in

  • United States FDA De Novo
  • Canada Health Canada
  • European Union CE marked
  • Australia TGA
  • Singapore HSA
  • Taiwan TFDA
Details
X-rays screened by Rho
0
In routine care across hospitals and imaging networks.
6
Frontal body parts read, from chest to hand and wrist.
6
Regulatory authorizations, including FDA De Novo and CE Mark.
0
Extra scans, visits or radiation doses for the patient.

In clinical and research use at imaging networks, orthopedic groups, and hospitals around the world

An older woman walking her dog along a sunlit sidewalk
The care gap

It shouldn't take a fracture to make the diagnosis.

Osteoporosis has no symptoms until a bone breaks. A clinical fracture-risk assessment is recommended for adults over 50, but at-risk patients are often not assessed.1 Many of those same patients have X-rays taken for other reasons.2

  • No new scans. Rho uses existing images.
  • No extra visits. The reading physician can add the finding to the report the referring physician receives.
  • No added radiation. Nothing changes for the patient at the time of imaging.
  1. 1 BHOF 2022 (LeBoff et al., Osteoporosis International) ↗: women 65 and older, men 70 and older, and adults 50 to 69 by risk profile
  2. 2 Mettler et al., Radiology, 2020 ↗
Who gets screened

Guidelines screen by age, sex, and known risk factors. Rho screens by what’s in the X-ray.

Guidelines recommend screening large groups of patients, but most are not sent for a DXA. Many of them have X-rays that Rho reads, flagging individuals with possible low bone density.

  • Normal bone density
  • Low bone density
  • Fractures later
  • Selected by a guideline
  • Flagged by Rho
  • Went on to a DXA
  • No X-ray to read

Illustrative. The people and their proportions are a schematic, not data from a study. Rho does not replace guideline-based screening or the clinical fracture-risk assessment it recommends.

  1. 1 BHOF 2022 (LeBoff et al., Osteoporosis International) ↗: women 65 and older, men 70 and older, and adults 50 to 69 by risk profile
  2. 3 USPSTF 2025 (Nicholson et al., JAMA) ↗: women 65 and older
  3. 4 Osteoporosis Canada 2023 (Morin et al., CMAJ) ↗
  4. 5 Siris et al., Archives of Internal Medicine, 2004 ↗: under the 2004 NOF treatment thresholds, about a fifth of US postmenopausal women were flagged, and they had under half of the osteoporotic fractures
  5. 6 Gillespie and Morin, Am J Med, 2017 ↗: 26.5% of insured US women aged 65 to 79 had a DXA over two years
  6. 7 Jayarajah et al., Canadian Association of Radiologists Journal, 2025 ↗: 125 of 655 Rho-positive patients had a DXA within six months
How it works

From routine X-ray to bone health assessment, inside your existing workflow.

Implementation →
  1. 01

    Routine X-ray

    A technologist takes a frontal chest, thoracic spine, lumbar spine, pelvis, hand or wrist, or knee X-ray of a patient aged 50 or older, for any clinical reason.

  2. 02

    PACS and Rho

    The image goes to PACS as usual. DICOM routing sends a copy to Rho, which runs on your own servers.

  3. 03

    Rho Report

    A Rho Report arrives in the same study as a new series, by default only for flagged cases.

  4. 04

    Reading physician

    The physician reading the X-ray checks the Rho Report and can add the finding to their report with a dictation macro.

  5. 05

    Consultation

    The referring provider sees the finding in the report they receive and talks with the patient about bone health.

  6. 06

    DXA follow-up

    If the referring provider deems it appropriate, the patient has a DXA. The Rho Console tracks these follow-ups.

Who it is for

One screen. Value for every team that touches bone health.

A radiologic technologist adjusting an X-ray tube
Imaging networks

More of the right patients reach DXA.

Find patients in the X-rays your sites already read, with no new exam.

For imaging networks →
A clinician pointing at spine X-rays
Orthopedic and spine practices

Bone health known before the operating room.

Flag patients from the knee, pelvis and spine X-rays you take every day.

For orthopedic and spine practices →
An aerial view of a hospital campus at sunset
Health systems

Find patients at risk before the first fracture.

Bring more patients into your bone health pathway from imaging already done.

For health systems →
A physician holding up a chest X-ray for a patient
Reading physicians and referring clinicians

A finding that fits the report you write.

The reading physician can add the finding to the report the referring physician already reads.

For clinicians →

See Rho in your PACS workflow.

Let us walk you through how Rho can add value to your practice.

Request a demo → Read the evidence