MRI Planner
Overview
Spectronic Medical AB’s MRI Planner is an AI-driven software solution designed to enable MRI-only workflows in radiotherapy planning. It addresses the traditional reliance on CT imaging for dose calculations by generating high-quality synthetic CT images directly from standard MRI scans. This innovative approach leverages deep learning-based Transfer Function Estimation (TFE) algorithms to provide the necessary attenuation information for radiation treatment planning, while also offering superior soft tissue contrast inherent to MRI.
The MRI Planner is intended for use in radiotherapy planning for adult patients with primary and metastatic cancers in the brain, head-neck, and pelvic regions. For prostate cancer cases, it further enhances efficiency by providing automatically derived contours of organs-at-risk (OARs) such as the bladder, colon, and femoral heads.
By eliminating the need for conventional CT scans, MRI Planner aims to streamline clinical workflows, reduce patient appointments, minimize registration-related uncertainties, and decrease patient exposure to additional ionizing radiation. The software is designed for seamless integration with existing clinical systems and radiotherapy planning workflows, utilizing standard DICOM input and output.
Reviewed by Pouyan Golshani, MD — Interventional Radiologist
Key Features
- Generates synthetic CT images from standard MRI scans
- Enables MRI-only radiotherapy planning workflows
- Utilizes deep learning-based Transfer Function Estimation (TFE) algorithm
- Provides automated organ-at-risk (OAR) delineations for prostate cases (bladder, colon, femoral heads)
- Supports radiotherapy planning for brain, head-neck, and pelvic regions
- Operates using a single standard MRI sequence
- Supports inclusion of fiducial marker data in synthetic CT output
- Integrates seamlessly with existing clinical systems and radiotherapy planning systems via standard DICOM
- Reduces registration uncertainties and eliminates the need for conventional CT
- Available as a cloud-based solution with a local installation option
Use Cases
- MRI-only radiotherapy planning for prostate cancer
- MRI-only radiotherapy planning for brain cancer
- MRI-only radiotherapy planning for head-neck cancer
- MRI-only radiotherapy planning for pelvic soft tissue cancers
- Streamlining clinical workflow in radiation oncology
- Improving precision and personalization of cancer treatment
Details
| Category | Oncology AI, Radiology & Imaging AI |
| Pricing | Contact vendor for pricing. |
| Deployment | Cloud, On-premise |
| Compliance | |
| BAA Available | Unknown AI-estimated |
| HIPAA Compliant | Unknown AI-estimated |
| FDA Status |
1 AI-estimated MRI Planner is FDA 510(k)-cleared (K211841, August 25, 2022) for radiotherapy planning of adult patients for primary and metastatic cancers in the brain and head-neck regions, as well as soft tissue cancers in the pelvic region. It generates synthetic CT images for radiation attenuation estimation and automatically derived contours for the bladder, colon, and femoral heads for prostate cancer patients. |
| Integrations | |
| EHR | Not specified |
| Specialties | Oncology, Radiology |
What the Web Says
MRI Planner, developed by Spectronic Medical and integrated into GE HealthCare's iRT solution, is an AI-driven software designed to create synthetic CT (sCT) images from standard MRI scans for radiotherapy planning. This technology aims to streamline the radiotherapy workflow by enabling MRI-only planning, thereby eliminating the need for separate CT scans and reducing potential registration errors. Studies have shown that MRI Planner generates highly accurate delineations of organs-at-risk (OARs) and provides dosimetric equivalence comparable to conventional CT.
Overall: PositiveStrengths
- Enables MRI-only radiotherapy planning, eliminating the need for separate CT scans.
- Reduces uncertainties and errors associated with co-registration between MR and CT images.
- Generates highly accurate synthetic CT images and automated delineations of organs-at-risk (OARs).
- Improves workflow efficiency and can potentially shorten the patient's journey to treatment.
- Reduces patient radiation dose and enhances patient comfort.
- Compatible with various MR scanners and imaging parameters due to its deep learning-based approach.
Limitations
- Discrepancies in Hounsfield (HU) values were found in the bone region, aligning along the bone border, though overall differences were minor.
- sCT accuracy and clinical suitability can be site-dependent and influenced by factors like anatomical complexity and imaging protocol variations.
- While generally accurate, some studies noted that image registration between pCT and sCT did not align well for all patients due to positioning differences.
- The software is not intended to automatically contour tumors or tumor clinical target volumes.
Based on reviews from: Spectronic, Innolitics, PMC, ResearchGate, Becker's Hospital Review, GE Healthcare, Medtech4Health, Elion Health, Xtalks, Patsnap Synapse
Last updated: 2026-07-19
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