MRCAT Brain
MR-RT clinical application
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-based DRR
- MRCAT Brain with continuous Hounsfield units
- MRCAT source scan (mDIXON XD FFE) and MRCAT-based dose plan
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.
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.
Automatic generation of synthetic CT images using AI
MRCAT Brain uses Artificial Intelligence (AI) for fast computation of MRCAT attenuation maps based on the mDIXON T1W scan. MRCAT generation takes place right on the MR console and provides continuous Hounsfield units for CT-like image appearance.
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
Related products
- As a plug-in clinical application to Ingenia MR-RT, MRCAT Prostate + Auto-Contouring provides attenuation maps and automated, MR-based contours of prostate and organs at risk in as little as 20 minutes – all in a repeatable ‘one-click’ workflow.
- 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 based on CT based plans does not differ more than 1% when simulated on MRCAT images as compared to when simulated on CT images 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
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