Nycomed Imaging As

Peter Leander

Jo Klaveness

Klaes Golman

Arne Berg

Goran Pettersson

Pangl Rongved

Ib Leunbach

Pal Rongved

Wolfgang H Gunther

There is provided a contrast medium composition comprising: (a) a first contrast agent comprising a physiologically tolerable manganese compound, a physiologically tolerable reducing compound containing an .alpha.-hydroxy ketone group, or salt thereof, having a manganese concentration of at least 0.3 mM or being in a dosage unit form containing at least 300 .mu.mol manganese, together with (b) a second contrast agent. Such compositions have been found to be particularly suited to imaging of the liver.

Contrast agents for MRI using a manganese compound and kojic acid

There is provided a contrast medium composition comprising: (a) a first contrast agent comprising a physiologically tolerable manganese compound together with an uptake promoter, having a manganese concentration of at least 0.3 mM or being in a dosage unit form containing at least 300 .mu.mol manganese, wherein the uptake promoter comprises a physiologically tolerable reducing compound containing an .alpha.-hydroxy ketone group or a physiologically tolerable acid containing .alpha.- and/or .beta.- hydroxy or amino groups, or a salt thereof, and/or vitamin D; together with (b) a second contrast agent. Such compositions are particularly suitable for imaging of the liver.

Composition and method of MRI using both a positive and a negative

There is provided a contrast medium composition for magnetic resonance imaging comprising a physiologically tolerable manganese compound, a physiologically tolerable reducing compound containing an .alpha.-hydroxy ketone group, or salt thereof and a physiologically tolerable carrier or excipient, having a manganese concentration of at least 0.3 mM or being in a dosage unit form containing at least 300 .mu.mol manganese. Such compositions are particularly suitable for imaging of the liver.

Contrast medium for magnetic resonance imaging using physiologically

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Lund, Sweden

Peter Leander