Elements Solutions for Cranial Vascular SRSFrameless registration of multiple 2D & 3D datasets

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Elements Solutions for Cranial Vascular SRS enable fast, accurate fusion of 2D vessel imaging with 3D volumetric data - all without requiring an additional frame-based angiography procedure. This modular suite simplifies the creation of intracranial vascular structures for SRS treatments, addressing the challenge of accurate target segmentation.

Fuse 2D and 3D data without a localizer frame

Achieve frameless co-registration of diagnostic 2D vessel imaging (digital subtraction angiography, DSA) and 3D volumetric data (magnetic resonance angiography, MRA) to outline clinical targets. Reduce the number of necessary scans, improving workflow efficiency and patient comfort.

Simultaneously outline vascular targets in 2D and 3D datasets

Define and fine-tune intracranial vascular structures side-by-side on 2D and 3D datasets. Leverage color intensity projections to visualize contrast flow phases more effectively.

Create high-quality SRS plans for vascular targets

Elements Cranial SRS creates high-quality SRS plans using a 4Pi optimization algorithm to best spare organs at risk and a specially designed VMAT for SRS treatments to achieve highly conformal doses and sharp dose gradients, resulting in highly efficient plans.

In our study, we concluded that the frameless approach provides numerous advantages including improved patient safety and experience, expanded AVM eligibility for SRS due to fractionation, and flexibility in scheduling patients.¹

Pascal Jabbour, MD, Thomas Jefferson University, Philadelphia, USA

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Preparing for cranial vascular planning

Elements Solutions for Cranial Vascular SRS offer a modular software suite for creating and refining treatment plans for neurovascular procedures. By eliminating the need for a localizer frame, and therefore an additional frame-based angiography procedure, Brainlab software enables clinicians to save time and enhances patient comfort.

Unique co-registration of 2D to 3D data

Elements Image Fusion Angio fuses multiple 3D imaging datasets (e.g., CTA or MRA) with 2D DSA acquisitions, accounting for different perspectives and supporting precise co-registration.

Screenshot of Elements Image Fusion Angio: Unique co-registration of 2D DSA to 3D data

Streamlined use of diagnostic imaging data

Use existing diagnostic angiography data, avoiding the need to repeat invasive, time-intensive procedures with a localizer frame.

Screenshot: Diagnostic angiography data usage with Elements

Interactive 3D contouring

Elements SmartBrush simplifies outlining intracranial vascular structures, offering side-by-side views of 2D and 3D datasets. Colour intensity projections help enhance visualization of contrast flow phases.

Versatile use cases

Elements SmartBrush Angio enables the creation of multiple vascular structures with customized view layouts. These can be further used for volume staging and follow-up.

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Creating the dose plan with Elements Cranial SRS

Elements Cranial SRS streamlines treatment planning for complex cranial indications. Its template-based approach and dedicated 4Pi arc setup optimization algorithm ensure critical organ sparing, target dose conformity and improved plan quality.

Related Information

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Source: Novalis Circle 2022: Frameless Angiography-based Gamma Knife SRS for Cerebral AVMs.