Meeting Banner
Abstract #0471

MR-Guided Sclerotherapy of Low-Flow Vascular Malformations: Visualization and Needle Guidance Using Contrast-Prepared SSFP (CP-SSFP)

Di Xu1, Daniel A. Herzka2, Paul A. DiCamillo3, Wesley D. Gilson4, Elliot R. McVeigh1, Jonathan S. Lewin3, Clifford R. Weiss3

1Biomedical Engineering, The Johns Hopkins School of Medicine, Baltimore, MD, United States; 2Biomedical Engineering, Johns Hopkins University, Baltimore, MD, United States; 3Radiology, The Johns Hopkins School of Medicine, Baltimore, MD, United States; 4Siemens Corporation, Corporate Technology, Baltimore, MD, United States

Venous and lymphatic malformations (VMs/LMs) are diagnostically visualized using T2-weighted fat-suppressed turbo spin echo. Once identified, lesions typically are treated percutaneously using ultrasound and fluoroscopic guidance. Treatment is limited in lesions that are deep, lie beneath scar, or within bone. Additionally, almost all patients require multiple treatments, accruing significant exposure to ionizing radiation. Real-time MR-guided intervention serves as a safer alternative, with better visualization of critical structures. Conventional sequences are limited: with blurry, distorted edges (HASTE) or with inferior VM/LM delineation because of poor T2-weighting (SSFP). We present real-time imaging for the VMs/LMs visualization during MR-guided sclerotherapy: Contrast-Prepared SSFP.

Abstract PDF Presentation Video

Keywords

able acquisition addition additionally adjacent adults affect alternative approval arrow arrowhead background beneath biomedical blurry body bone breath carried certain characterize characterizes chest children clearly clinically comparable congenital contrast corporate corporation critical customizable deep delineation depicting deploy derived designed detected detection diagnostic distorted divided doped edge edges efficiency either engineering establish evaluate exposure failure flow fluoroscopic gadolinium gold guidance guided haste hold include inferior insertion inter interpolated intervention inversion ionizing johns layout lesion lesions limited located lymphatic malformation malformations many medicine metrics modalities monitoring muscle needle numerical part patient patients percutaneous percutaneously performance permits placement poor post prepared procedure procedures pulse radiation radiology real reciprocal recovery referred require respectively safer scanned scanner scars school selective serves seven sharpness slice slow sodium soft specifically spectrally square structures successful successfully suite sulfate superior suppressed suppression surrounding technology tide tissue took train treated treatments turbo typically variable vascular venous vibe visualization volumetric width woman