title: MR angiographic evaluation of platinum coil packs at 1.5T and 3T: an in vitro assessment of artifact production: technical note.
abstract: Susceptibility artifact from platinum coil packs impairs the visibility of perianeurysmal soft tissues at conventional 3D time-of-flight MR angiography. These artifacts limit the evaluation for residual-recurrent aneurysm and parent vessel stenosis. Reducing the echo time can decrease the artifact and improve perianeurysmal visualization. The purpose of this study was to assess quantitatively the effect of decreasing the echo time on artifact production at different field strengths and coil pack densities.
authors.affiliation: Department of Radiology, Feinberg School of Medicine of Northwestern University, Chicago, IL 60611, USA.
authors.forename: Matthew T
authors.initials: MT
authors.lastname: Walker
authors.forename: Jerome
authors.initials: J
authors.lastname: Tsai
authors.forename: Todd
authors.initials: T
authors.lastname: Parish
authors.forename: Brian
authors.initials: B
authors.lastname: Tzung
authors.forename: Ali
authors.initials: A
authors.lastname: Shaibani
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Krupinski
authors.forename: Eric J
authors.initials: EJ
authors.lastname: Russell
mesh_terms: D016477:Artifacts; D018810:Magnetic Resonance Angiography / Q000295:instrumentation* / Q000379:methods*; D013997:Time Factors