ArticleMagnetic resonance in medicine2025
Magnitude preparation-based MR-acoustic radiation force imaging.
Article in Magnetic resonance in medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Mimicking focused ultrasound with a loop coil in acoustic radiation force imaging.Magnetic resonance in medicine · 2025Article
- Magnitude preparation-based MR-acoustic radiation force imaging.Magnetic resonance in medicine · 2025Article
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Authors and funding
3 authors.
Funding
Abstract
purposeTo visualize ultrasonic foci in tissue without phase subtraction, to reduce sensitivity to motion and respiration. A secondary purpose is to provide inherently fused anatomy and focus depiction across various image contrasts.
methodsA magnitude-contrast MR-acoustic radiation force imaging (Mag-ARFI) magnetization-preparation sequence was implemented that converts displacement-induced phase shifts into modulated longitudinal magnetization that can be read out by a subsequent imaging sequence. Phantom experiments compared focus visualization between conventional phase contrast-ARFI and Mag-ARFI, and demonstrated the ability to quantify displacement using multiple Mag-ARFI measurements. In vivo phase contrast-ARFI maps and
resultsPhantom experiments demonstrated strong agreement (R = 0.88) between Mag-ARFI and phase contrast-ARFI displacement values. Mag-ARFI and phase-contrast ARFI peak displacements were 3.02
conclusionMag-ARFI allows ultrasound focus localization, with reduced breathing motion artifacts, on
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