Actionable Insights for Enhanced Patient Safety

  • Automated Patient QA
  • Pre-Treatment QA Without a Phantom
  • Treatment Delivery QA for Every Fraction

Automate Your QA

PerFRACTION listens for and captures your pre-treatment and in-vivo QA data for each patient, processes and analyzes that data, and saves the results to the database. Failed result notifications are automatically emailed to you. Simply log in, view a dashboard of results, and drill down as desired. Trend any piece of data against any other piece of data. It is that simple, and that powerful.

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Patient QA from Pre-Treatment to the Last Fraction

PerFRACTION is a practical way to make your patient QA more meaningful and efficient. Deliver the treatment plan, either for pre-treatment QA or daily treatment purposes, and PerFRACTION automatically captures all the image and/or data files needed for analysis.

On an intuitive interface, review multiple analysis methods and quantify the impact of any treatment variation on clinical goals. Because PerFRACTION is a web application, y ou can access this powerful resource from any browser within your clinical network.

Fraction 0 3D Pre-Treatment QA

IMRT QA with the independence and peace of mind of EPID measurements, or using log file data

Fraction n 3D In-Vivo Monitoring

QA for every treatment fraction to catch the most common types of errors — those associated with the patient — as well as machine errors.

Clinical Studies

Evaluate meaningful metrics in both Fraction 0 and Fraction n with Clinical Goals

New Features Now Available

Fraction 0

  • Absolute Dose – Option for 2D absolute dose measurements with the EPID
  • SDC Dose as a Reference – Eliminates differences due to 3D dose calculation algorithms
  • Log File Mode – Option for 3D reconstruction using the log file instead of the EPID

Fraction n

  • CBCT Calculation – Option for 3D dose calculation onto the daily CBCT for treatment delivery QA
  • Log File Mode – Option for 3D dose reconstruction using the log file instead of the EPID
  • Wedge Support – Support for Varian EDW and Elekta universal wedged beams (for 2D relative analysis only)
  • SDC Dose as a Reference – Eliminates differences due to 3D dose calculation algorithms

Now Including DoseCHECKTM

  • DoseCHECK 3D secondary dose calculation and analysis now included in PerFRACTION Packages
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See a top level summary of your Patient QA, then drill down.

Dashboard and Patient List

The PerFRACTION Dashboard summarizes all fractions for each machine for a given time period. The Patient List provides a complete list of patients, with easy to interpret clinical workflow phases and pass/fail status.

Patient List & Event Summary

Selecting a patient presents a summary of all QA results, shown as Events, for that patient, including DoseCHECK, Fraction 0, and Fraction n. Select any E vent to view and investigate point dose, 2D and 3D results for that Event.

2D Planar Analysis

Results for a 2D QA task, automatically calculated for each beam and compared to the baseline image using pre-defined analysis settings. Select different beams and results update.

Note: 2D planar analysis is only available from EPID image data

3D Dose Analysis

Results for a 3D QA task, automatically calculated onto patient anatomy and compared to the plan dose using pre-defined analysis settings. Scrutinize results based on 3D gamma per plan or structure.

PerFRACTION Clinical Goals & Trending

Create trend graphs from any test result and easily compare trends on a single graph.

Clinical Goal Analysis, Including 3D Gamma

Compare 3D dose outcomes to Clinical Goals with two levels of comparison: Ideal and Acceptable. Use pre-defined clinical goal templates, customize, or create your own. Track Clinical Goals from secondary dose calculation (DoseCHECK) through pre-treatment QA, through to each delivered fraction.

Use overall 3D Gamma analysis as a pass/fail criterion in addition or independent of Clinical Goal analysis.


Compare patient QA results across any number of machines. Easy to read graphs display trend lines relative to custom tolerances.

More PerFRACTION Highlights

  • EPID-based Measurement QA option maintains independence and catches more errors
  • Works with Varian and Elekta linear accelerators and ARIA® and MOSAIQ® oncology information systems
  • Billing compliant (US)
  • Scalable SunCHECK™ platform allows seamless integration with the DoseCHECK™ and SNC Machine™ applications, as well as future capabilities from the market leader in QA solutions 
  • Supports 3D, IMRT, VMAT delivery
  • Straightforward, accurate pre-treatment verification for multiple-target SRS cases
  • Dose reconstruction when using EPID data is based on 3D forward projection, which allows for proper representation of the dosimetric impact of the various MLC, patient, and output errors that can occur in a radiotherapy treatment
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Specification When EPID Data is Used When Log File Data is Used
Meets Reimbursement Requirements: Yes Both ASTRO and ACR guidelines require a ‘Physical Measurement’ to a phantom or equivalent for reimbursement. Thus, use of the log files alone with an advanced 3D dose calculation does not meet this requirement. Clinics seeking to use this pathway as their only patient-specific QA are strongly advised to get approval from their specific payor before proceeding with this approach.
Pre-Treatment IMRT QA: Yes Yes
Supports all Treatment Modalities: Yes Yes
Compatibility: ARIA, MOSAIQ with Varian and Elekta Linacs ARIA, MOSAIQ with Varian and Elekta Linacs
Independent MLC Measurement: Yes No
Detects Patient Setup Errors: Yes Sometimes - When dose is calculated on daily CBCT
Detects Patient Anatomy Changes: Yes Sometimes - When dose is calculated on daily CBCT
Detects Output Fluctuations: Yes Yes
Detects Machine MLC, Jaws/Collimator Errors: Yes Sometimes - Some publications conclude log files are not consistently accurate in reporting MLC positional errors
Commissioning Required: No No

For background on PerFRACTION’s 3D forward projection technique used with EPID data, please request this free white paper.

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Introducing PerFRACTION 3D