MRI follow-up of embolized intracranial dural arteriovenous fistulas using 3D time-of-flight and contrast-enhanced 3D T1-weighted GRE imaging

Intravenous 3D-Digital Subtraction Angiography as a Less Invasive Imaging Method for the Follow-Up of Aneurysms Treated with Flow Diverter: Comparison with 3D-CTA and MRA

Abstract Objective This study evaluated the practicality of three-dimensional (3D)-digital subtraction angiography using intravenous contrast injection (IV-3D-DSA) as a minimally invasive follow-up imaging after flow diverter (FD) placement for intracranial aneurysms. Materials and Methods This study included 40 patien...

Three-dimensional rotational angiography–based multimodal fusion imaging for preoperative neurovascular assessment in intracranial meningiomas: a retrospective technical feasibility study of 72 cases

Background and objective Surgical management of anatomically complex intracranial meningiomas requires accurate assessment of tumor vascular supply, venous sinus involvement, cortical venous relationships, and skull base anatomy. Although multimodal fusion imaging and angiographic assessment are established, the increm...

Evaluating the diagnostic accuracy of magnetic resonance angiography versus digital subtraction angiography for spinal dural arteriovenous fistulas: a systematic review and meta-analysis

Pre-operative visualization of cerebral vasculature using photon-counting CT ultra-high resolution pure lumen imaging

Introduction Preoperative neuronavigation relies on multimodal imaging to delineate lesion anatomy and surrounding neurovascular structures. Ultra-high-resolution photon-counting CT (UHR PCCT) provides submillimeter vascular and osseous detail and may improve surgical planning compared with conventional CT and MRI. Res...

Comparison of Pointwise Encoding Time Reduction with Radial Acquisition (PETRA) MR-Angiography with conventional MR-Angiography-Sequences for Follow-Up of intracranial Aneurysms in a real-world cohort.

BACKGROUND AND PURPOSE MRI follow-up of treated cerebral aneurysms is essential to detect remnants or reperfusion but contrast-enhanced MR-angiography (ceMRA) and TOF-MRA can be impaired by implant-related artifacts. Pointwise Encoding Time Reduction with Radial Acquisition MRA (PETRA) is a novel, non-contrast MRA tech...

APPLICATION OF 2D PERFUSION ANGIOGRAPHY TO ASSESS THE EFFECTIVENESS OF VASCULAR EMBOLIZATION: ANALYSIS USING THE XGBOOST ALGORITHM

In this small proof-of-concept cohort, 2D perfusion angiography quantified embolization-related hemodynamic changes, and machine learning demonstrated preliminary feasibility for the automated discrimination of pre- and post-embolization perfusion states.