FDA-cleared profile

TumorSight Viz

SimBioSys, Inc.

Authorized purpose: TumorSight Viz processes dynamic contrast-enhanced breast MRI for patients with biopsy-proven early-stage or locally advanced breast cancer, providing registration, subtraction, segmentation, 3D renderings, measurements, kinetic curves, parametric maps, MIPs, and reformats for physician visualization and analysis; results are not the sole basis for patient management.

Evidence status: each field states its source quality, applicability, and review date. Research pending, information not established, and vendor documentation pending remain distinct outcomes.

Product overview

Start with the essentials

Authorized purpose: TumorSight Viz processes dynamic contrast-enhanced breast MRI for patients with biopsy-proven early-stage or locally advanced breast cancer, providing registration, subtraction, segmentation, 3D renderings, measurements, kinetic curves, parametric maps, MIPs, and reformats for physician visualization and analysis; results are not the sole basis for patient management.

Overview status: Source-reviewed overview

Clinical takeaway

Clinical role: TumorSight Viz processes dynamic contrast-enhanced breast MRI for patients with biopsy-proven early-stage or locally advanced breast cancer, providing registration, subtraction, segmentation, 3D renderings, measurements, kinetic curves, parametric maps, MIPs, and reformats for physician visualization and analysis; results are not the sole basis for patient management.

Evidence takeaway

Evidence from the reviewed source record: Validation used 267 samples from 266 patients at more than eight U.S. sites, with pathologically confirmed invasive breast cancer and reference measurements from three board-certified radiologists.

Clinical details

What this tool is for

Start with the authorized purpose, then verify how it fits your service line and reading workflow.

Exact purpose
TumorSight Viz processes dynamic contrast-enhanced breast MRI for patients with biopsy-proven early-stage or locally advanced breast cancer, providing registration, subtraction, segmentation, 3D renderings, measurements, kinetic curves, parametric maps, MIPs, and reformats for physician visualization and analysis; results are not the sole basis for patient management.
  • FDA source
  • Exact FDA submission
  • Checked 2026-09-06
Intended users
Skilled physicians and clinicians, including radiologists, interpreting breast MRI
  • FDA source
  • Exact FDA submission
  • Checked 2026-09-06
Care setting and population
Adult breast oncology imaging for biopsy-proven early-stage or locally advanced breast cancer
  • FDA source
  • Exact FDA submission
  • Checked 2026-09-06
Workflow role
Visualization, segmentation, and measurement support
  • FDA source
  • Exact FDA submission
  • Checked 2026-09-06
Required input
Dynamic contrast-enhanced breast MRI DICOM studies from patients with biopsy-proven invasive early-stage or locally advanced breast cancer; the FDA packet describes manual or automated DICOM import.
  • FDA source
  • Exact FDA submission
  • Checked 2026-09-06
Output and human action
Registered and subtracted images, MIPs, reformats, kinetic curves, parametric maps, 3D tumor segmentation, tumor volume, tumor-to-breast ratio, longest dimension, tumor-to-nipple/skin/chest distances, and center of mass.
  • FDA source
  • Exact FDA submission
  • Checked 2026-09-06
Limitations
The output supports visualization and analysis but patient-management decisions should not be made solely from TumorSight Viz results.
  • FDA source
  • Exact FDA submission
  • Checked 2026-09-06

Regulatory identity

FDA record and catalog context

The FDA listing establishes the regulatory identity. It does not by itself establish local workflow fit, pricing, security, or performance in your environment.

FDA submission
K251766
  • FDA source
  • Exact FDA submission
  • Checked 2026-08-31
Modality
MRI
  • FDA source
  • Exact FDA submission
  • Checked 2026-09-06
Anatomy
Breast
  • FDA source
  • Exact FDA submission
  • Checked 2026-09-06
Clearance type
510(k)
  • FDA source
  • Exact FDA submission
  • Checked 2026-08-31
Decision date
2025-07-08
  • FDA source
  • Exact FDA submission
  • Checked 2026-08-31
FDA status
FDA-cleared
  • FDA source
  • Exact FDA submission
  • Checked 2026-08-31

Implementation

Questions for IT, informatics, and operations

Use these fields to structure a vendor demo, security review, and implementation estimate.

Integration
The device reads DICOM MRI and displays results in the TumorSight web application; image import can be manual or automated and results are accessed through an off-the-shelf computer.
  • FDA source
  • Exact FDA submission
  • Checked 2026-09-06
Deployment and data flow
On-cloud
  • Public source
  • Exact FDA submission
  • Checked 2026-09-06

Baseline cloud deployment category preserved; current hosting region, retention, and tenant configuration were not established.

Security and privacy
Vendor documentation pending
  • Vendor confirmation
  • Exact FDA submission
  • Checked 2026-09-07

No scoped current security or data-flow documentation was established.

Training and support
Vendor documentation pending
  • Vendor confirmation
  • Exact FDA submission
  • Checked 2026-09-07

Current onboarding, competency, and support commitments were not established.

Monitoring and change control
Vendor documentation pending
  • Vendor confirmation
  • Exact FDA submission
  • Checked 2026-09-07

Local acceptance testing, production monitoring, update control, and drift review were not established.

Web and DICOM workflow

The exact submission describes manual or automated DICOM import, cloud-based processing, and display in the TumorSight web application on an off-the-shelf computer.

exact submission · checked 2026-09-06

Current family visualization workflow

SimBioSys describes TumorSight Viz as DCE-MRI software with 3D visualization, auto-segmented tumor/anatomical structures, and measurements; its prone-to-supine feature is explicitly described as research-use only.

product family · checked 2026-09-07

Current family page is not used to promote unvalidated features into the exact K251766 performance record.

Evidence

Performance evidence

Metrics are shown only when they are tied to a source, endpoint, population, and tested product version. Candidate literature without exact product and version linkage is not shown as product evidence.

Evidence summary
Validation used 267 samples from 266 patients at more than eight U.S. sites, with pathologically confirmed invasive breast cancer and reference measurements from three board-certified radiologists.
  • FDA source
  • Exact FDA submission
  • Checked 2026-09-06
Reported sensitivity
Research pending
  • Needs research
  • Exact FDA submission
  • Checked 2026-08-31

This field has not been curated yet.

Reported specificity
Research pending
  • Needs research
  • Exact FDA submission
  • Checked 2026-08-31

This field has not been curated yet.

Tumor volume mean absolute error

5.2 cc

  • EndpointTumor volume agreement with radiologist reference
  • PopulationBreast MRI validation subset
  • Tested versionTumorSight Viz submitted in K251766; build not stated

Segmentation volumetric Dice

0.76 Dice

  • EndpointTumor segmentation overlap
  • PopulationBreast MRI validation subset
  • Tested versionTumorSight Viz submitted in K251766; build not stated

Segmentation surface Dice

0.92 Dice

  • EndpointTumor segmentation surface overlap
  • PopulationBreast MRI validation subset
  • Tested versionTumorSight Viz submitted in K251766; build not stated

TumorSight Viz breast MRI measurement and segmentation validation

  • DesignRetrospective multicenter validation against radiologist reference measurements
  • Population267 samples from 266 patients with pathologically confirmed invasive early-stage or locally advanced breast cancer; MRI from GE, Philips, and Siemens 1.5T and 3T systems
  • Scopeexact submission
  • Tested versionTumorSight Viz submitted in K251766; build not stated
  • Samplen=267
  • IndependenceIndependence not established

K251766

Three board-certified radiologists established reference measurements; the FDA packet states more than eight U.S. sites.

Costs and setup

Budget and ongoing governance

These are common procurement questions; unknown values remain visible until a source supports them.

Pricing and total cost
Vendor documentation pending
  • Vendor confirmation
  • Exact FDA submission
  • Checked 2026-09-07

No public amount, range, currency, geography, or contract term was established.

Reimbursement and coding
Research pending
  • Needs research
  • Exact FDA submission
  • Checked 2026-09-07

No payer or CMS policy review was performed in this worker cohort.

Safety and lifecycle

Postmarket record

Recall and adverse-event records are shown only after product matching. Adverse-event reports do not establish incidence or causality.

Postmarket safety review
Not established in reviewed sources
  • Reviewed sources checked
  • Exact FDA submission
  • Checked 2026-09-04

No native submission-identifier match was found in the checked openFDA radiology recall snapshot. Product-name, manufacturer, and adverse-event searches remain necessary; this does not establish that no recall or safety report exists.

Buyer worksheet

Open questions to take to the vendor

Open evaluation checklist

Research record

What has been checked

This audit distinguishes completed source review from fields that have not yet been researched.

Human reviewedStatus
2026-09-07Last searched
24Fields reviewed
10Source classes checked
0Screened PubMed leads
0Screened trial leads
0Unreviewed FDA recall leads

No stored PubMed or ClinicalTrials.gov candidate identifiers for this submission in the 2026-09-01 snapshot; exact-submission recall candidate review was also zero. This metadata screen is not a full paper review. The current discovery snapshot contains 0 PubMed and 0 ClinicalTrials.gov candidate records; its dated, count-matched human screening remains current. Unlinked candidates remain quarantined. Native FDA recall identifiers produced 0 postmarket candidate records; 0 have been reviewed (0 published, 0 rejected) and 0 remain unreviewed.

Candidate leads were screened against the exact product and tested version. Unlinked records remain quarantined.

Source classes: fda ai list, fda decision summary, acr ai central product, vendor product page, literature index, trial registry, fda device recall, pubmed, clinical trials, openfda device recall

Sources & history

How this profile was documented

Open the ledger for source dates, scope, and research-record updates.

View source ledger and history

Source ledger

  1. FDA 510(k) K251766: TumorSight Viz

    U.S. Food and Drug Administration - Published 2025-07-08 - Accessed 2026-09-06

    Scope: identity, purpose, clinicalUse, modality, anatomy, input, output, limitations, integration, deployment, evidenceSummary, evidenceMetrics, evidenceStudies

  2. Artificial Intelligence-Enabled Medical Devices

    U.S. Food and Drug Administration - Accessed 2026-08-31

    Scope: regulatoryIdentity, modalityContext

  3. TumorSight Viz model card (K251766)

    American College of Radiology - Published 2026-08-17 - Accessed 2026-09-01

    Scope: intendedUsers, careSetting, output, evidenceSummary, integration, anatomy, evidenceStudies, implementationCapabilities

  4. PubMed biomedical literature index

    U.S. National Library of Medicine - Accessed 2026-09-01

    Scope: evidenceDiscovery

  5. ClinicalTrials.gov study registry

    U.S. National Library of Medicine - Accessed 2026-09-01

    Scope: evidenceDiscovery, studyStatus

  6. openFDA Device Recall API

    U.S. Food and Drug Administration - Accessed 2026-09-02

    Scope: recallDiscovery, nativeSubmissionMatching

  7. TumorSight Viz official product page

    SimBioSys - Accessed 2026-09-07

    Scope: productFamilyWorkflow, implementationCapabilities

Research history

  1. K251766 FDA decision

    Regulatory record

    510(k)

  2. Source-review record updated

    Research record

    human reviewed

  3. Reader overview source-reviewed

    Editorial review

    Source-reviewed editorial overlay

Alternatives

Related tools to compare

FDA-authorized DEN170022

QuantX

Quantitative Insights, Inc

QuantX is breast MRI software for the labeled management, analysis, visualization, and decision-support workflow; exact image inputs, outputs, and use remain submission-specific.

Modality
MRI
Anatomy
Breast
Decision
2017-07-19
FDA-cleared K243189

TumorSight Viz

SimBioSys, Inc.

Visualize and analyze DCE breast MRI studies for patients with biopsy-proven early-stage or locally advanced breast cancer, including processing, measurements, and configurable...

Modality
MRI
Anatomy
Breast, including biopsy-proven breast tumors/findings.
Decision
2024-10-25
FDA-cleared K231130

TumorSight Viz

SimBioSys, Inc.

TumorSight Viz analyzes dynamic contrast-enhanced breast MRI for visualization and analysis of biopsy-proven early-stage or locally advanced breast cancer, including registration,...

Modality
MRI
Anatomy
Breast; early-stage or locally advanced breast cancer
Decision
2023-12-26