MRgRT QA

Address unique challenges with proven, efficient and effective QA solutions

Learn more

Discover the New SunCHECK Release

See how the latest version can advance workflows and enhance patient care

Watch on-demand

Varian and Sun Nuclear

An alliance to elevate and expand QA offerings

Read press release

ESTRO 2025

Booth Talks & Lunch Symposium.
Daily Demos of New & Proven Solutions

Join us in Vienna

Featured Solutions

Search all
AVa Phantom
New product

AVa Phantom
SunSCAN™ 3D

SunSCAN™ 3D
SRS MapCHECK​

SRS MapCHECK​
MotionCHECK™ 3D
New product

MotionCHECK™ 3D
IQphan
New product

IQphan
SRS MR Distortion Phantom

SRS MR Distortion Phantom
Daily QA-MR

Daily QA-MR
MultiMet-WL Cube​

MultiMet-WL Cube​

Resources & Events

View all

News

View all

Sun Nuclear Announces Completion of Transition to CE Class IIb EU MDR Certification for Key Quality Management Solutions

April 22, 2025

Varian Announces Alliance with Sun Nuclear to Elevate and Expand Quality Assurance Offerings

September 30, 2024

Sun Nuclear Showcases New Quality Management Solutions for Radiation Therapy Teams and Workflows at ESTRO Annual Meeting

May 3, 2024

Catching Errors: Why Independent QA Matters

Patient Safety Starts Here
1
A single monitor chamber was the source of fluctuating linac outputs. Daily QATM 3 caught it, protecting patients.1
~10%
A patient's spinal cord was overdosed by ~10%. The precise reason why was caught by SunCHECKTM Patient.2
52
A year of weekly trajectory file measurements on 2 linacs found no errors. Concurrent EPID-based data caught many.3
>1 mm
“It has been clinically observed the log-file derived leaf positions can differ from their actual position by >1 mm.”4

SunCHECK v5.0 and the AVa Phantom are not available for sale in all markets. CE mark pending. The AVa Phantom is patent-pending.


1 T. McCaw, et al., When a Good Monitor Chamber Goes Bad: Diagnosing Atmospheric Communication of a Sealed Monitor Chamber, AAPM 2018
2 Sun Nuclear SunCHECK user internal testing
3 A. Agnew et al., Monitoring daily MLC positional errors using trajectory log files and EPID measurements for IMRT and VMAT Deliveries, Phys. Med. Biol. 59, (2014)
4 B. Neal, et al., A clinically observed discrepancy between image-based and log-based MLC positions, Med Phys. 43, 2933 (2016)