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[High concentration ferric ammonium citrate (FAC) solution as a negative bowel contrast agent].

Authors
  • Takahara, T
  • Yoshikawa, T
  • Saeki, M
  • Nosaka, S
  • Shimoyamada, K
  • Nakajima, Y
  • Ishikawa, T
Type
Published Article
Journal
Nihon Igaku Hōshasen Gakkai zasshi. Nippon acta radiologica
Publication Date
May 01, 1995
Volume
55
Issue
6
Pages
425–426
Identifiers
PMID: 7617470
Source
Medline
License
Unknown

Abstract

Various concentrations of ferric ammonium citrate (FAC) solution were scanned with conventional SE, Turbo SE (TSE) and STIR sequences on a 0.5-T MR unit. High-concentration FAC solution showed significant signal loss on T2-weighted images. Signal loss was more prominent on heavily T2-weighted images with longer TR/TE using the TSE sequence. T1-weighted images did not show significant signal loss even with high-concentration solution. On STIR images, remarkable signal loss occurred at twice the concentration that had a T1 value similar to fat. We concluded that high-concentration FAC solution may employ as a negative contrast agent in upper abdominal MR imaging.

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