Susceptibility source separation from gradient echo data using magnitude decay modeling

Abstract

Separation of magnetic sources based solely on GRE complex data is feasible by combining magnitude decay rate modeling and phase-based QSM and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:semantics><mml:msup><mml:mi>χ</mml:mi> <mml:mo>-</mml:mo></mml:msup> <mml:annotation>${\chi}^{-}$</mml:annotation></mml:semantics> </mml:math> change may serve as a biomarker for myelin recovery or damage in acute MS lesions.