MRCAT Brain
MR-RT clinical application
  • Standard Product Photograph
  • Standard Product Photograph

MRCAT Brain

MR-RT clinical application
MRCAT Brain clinical application allows the use of MRI as the primary imaging modality for radiotherapy planning of primary and metastatic tumors in the brain without the need for CT. Detailed anatomical information for contouring and attenuation maps for dose calculations are both obtained from a single, submillimeter resolution 3D T1W mDIXON MR sequence. Artificial Intelligence (AI) is used for fast computation of continuous Hounsfield units directly on the MR console.

Clinical image gallery

  • MRCAT source scan (mDIXON XD FFE) and MRCAT-based dose plan
    MRCAT source scan (mDIXON XD FFE) and MRCAT-based dose plan
  • MRCAT-based DRR
    MRCAT-based DRR
  • MRCAT Brain with continuous Hounsfield units
    MRCAT Brain with continuous Hounsfield units
Features
Unleash the real power of MR simulation
MRCAT Brain lets you plan radiation therapy for patients with primary and metastatic tumors in the brain using MRI as a single-modality solution. Within just one fast MR scan, MRCAT Brain provides excellent soft-tissue contrast for target and OAR delineation, and CT-like density information for dose calculations - directly on the console. This not only extends the benefits of MRI’s outstanding soft-tissue contrast to radiotherapy planning, but it also eliminates arduous, error-prone CT-MRI registration from the process, reducing uncertainties and complexity.
Unleash the real power of MR simulation
The single scan advantage
With Philips MRCAT (MR for Calculating ATtenuation) Brain imaging protocol, a single mDIXON T1W scan provides information for both contouring and dose calculation for treatment planning. As anatomical and density information originate from the same scan, no image registration is required and spatial and temporal consistency are ensured.
The single scan advantage
Short scan time promotes patient comfort and productivity
An MR exam can cause stress for patients. Especially if they are immobilized and in treatment position. The MRCAT source scan is accelerated by Compresses SENSE and takes just a few minutes to complete. This promotes patient comfort by minimizing time in the scanner. Furthermore, it can boost productivity by allowing for additional sequences within the timeslot.
Short scan time promotes patient comfort and productivity


Specifications
  • MRCAT Brain
    Compatibility MR system
    Ingenia 1.5T and 3.0T MR-RT, Ambition 1.5T MR-RT and Elition 3.0T MR-RT

Documentation

Datasheet MRCAT Brain
PDF|256.43 KB

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    MRCAT Pelvis lets you plan radiation therapy using MRI as a single modality solution. Within just one MR exam, MRCAT Pelvis provides excellent soft-tissue contrast for target and OAR delineation, and continuous Hounsfield units for dose calculations. MRCAT (MR for Calculating ATtenuation) data can be used for export to treatment planning systems for CT-equivalent** dose calculations. In addition, MR-based imaging enables CBCT-based positioning based on soft-tissue contrast with the look and feel of CT.
Disclaimer
*Accurate means: MRCAT image acquisition provides < ± 1 mm geometric accuracy of image data in < 20 cm Diameter Spherical Volume (DSV) and < ± 2 mm geometric accuracy of image data in < 40 cm Diameter Spherical Volume (DSV)*. *Limited to 32 cm in z-direction in more than 95% of the points within the volume
**The mean dose in the PTV does not differ more than 1% in MRCAT based plans as compared to CT based plans for 95% of the patient cases
***Accurate means: MRCAT-based DRRs are within 1 mm accuracy compared to CT-based DRRs for 95% of cases