Magnetic resonance imaging physics and image acquisition

Junghun Cho; Alexey Dimov

doi:10.1016/B978-0-323-95739-7.00007-1

Magnetic resonance imaging physics and image acquisition

Junghun Cho
, Alexey Dimov

Department of Biomedical Engineering

University at Buffalo

Cornell University

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

This chapter delves into fundamental physics concepts in magnetic resonance imaging (MRI), including how an MRI image is generated, how the MRI signal relates to tissue properties, and how these properties are estimated from the MRI image. In discussing MRI image formation, we will explore topics such as Larmor precession, gradient fields, radiofrequency fields, and pulse sequences. In terms of the connection between the MRI signal and tissue properties, we will discuss relaxation (T1 and T2), biological water motion (diffusion and perfusion), and tissue magnetism (T2* and quantitative susceptibility mapping), along with their respective image acquisition schemes and pathological interpretations in MRI imaging.

Original language	English
Title of host publication	Handbook of Imaging in Multiple Sclerosis
Publisher	Elsevier
Pages	137-158
Number of pages	22
ISBN (Electronic)	9780323957397
ISBN (Print)	9780323957403
DOIs	https://doi.org/10.1016/B978-0-323-95739-7.00007-1
State	Published - Jan 1 2024

Keywords

Bloch equation
Larmor precession
MRI
QSM
T1
T2
T2*
diffusion
gradient fields
image formation
perfusion
pulse sequence
radiofrequency fields
relaxation

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10.1016/B978-0-323-95739-7.00007-1

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abstract = "This chapter delves into fundamental physics concepts in magnetic resonance imaging (MRI), including how an MRI image is generated, how the MRI signal relates to tissue properties, and how these properties are estimated from the MRI image. In discussing MRI image formation, we will explore topics such as Larmor precession, gradient fields, radiofrequency fields, and pulse sequences. In terms of the connection between the MRI signal and tissue properties, we will discuss relaxation (T1 and T2), biological water motion (diffusion and perfusion), and tissue magnetism (T2* and quantitative susceptibility mapping), along with their respective image acquisition schemes and pathological interpretations in MRI imaging.",

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AB - This chapter delves into fundamental physics concepts in magnetic resonance imaging (MRI), including how an MRI image is generated, how the MRI signal relates to tissue properties, and how these properties are estimated from the MRI image. In discussing MRI image formation, we will explore topics such as Larmor precession, gradient fields, radiofrequency fields, and pulse sequences. In terms of the connection between the MRI signal and tissue properties, we will discuss relaxation (T1 and T2), biological water motion (diffusion and perfusion), and tissue magnetism (T2* and quantitative susceptibility mapping), along with their respective image acquisition schemes and pathological interpretations in MRI imaging.

KW - Bloch equation

KW - Larmor precession

KW - MRI

KW - QSM

KW - T1

KW - T2

KW - diffusion

KW - gradient fields

KW - image formation

KW - perfusion

KW - pulse sequence

KW - radiofrequency fields

KW - relaxation

UR - https://www.scopus.com/pages/publications/85213169406

U2 - 10.1016/B978-0-323-95739-7.00007-1

DO - 10.1016/B978-0-323-95739-7.00007-1

M3 - Chapter

SN - 9780323957403

SP - 137

EP - 158

BT - Handbook of Imaging in Multiple Sclerosis

PB - Elsevier

ER -

Magnetic resonance imaging physics and image acquisition

Abstract

Keywords

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