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Non-biodegradable superparamagnetic particles, in plain and viscous aqueous suspensions, were used as an oral contrast medium in 34 patients with known or suspected malignant lymphoma. The contrast effect, the occurrence of artifacts, and the distribution were evaluated in the plain and the viscous aqueous suspensions, and the diagnostic information received from abdominal MR examinations performed without bowel contrast medium was compared with that of post-contrast examinations. Magnetic particles in the concentration of 0.5 g/l displayed a good contrast effect at 0.5 T, and helped in differentiating the intestine from adjacent tissues, resulting in increased diagnostic information in abdominal MR imaging. In the patients given the viscous aqueous suspension the occurrence of artifacts caused by the magnetic particles decreased considerably, and the distribution was homogeneous and improved compared with that in patients given the plain aqueous suspension.
M Lönnemark, and
A Hemmingsson, and
T Bach-Gansmo, and
H Hagberg, and
A Magnusson, and
H G Gundersen, and
R Nyman
January 1992,
Acta radiologica. Supplementum,
M Lönnemark, and
A Hemmingsson, and
T Bach-Gansmo, and
H Hagberg, and
A Magnusson, and
H G Gundersen, and
R Nyman
November 1991,
Investigative radiology,
M Lönnemark, and
A Hemmingsson, and
T Bach-Gansmo, and
H Hagberg, and
A Magnusson, and
H G Gundersen, and
R Nyman
December 1992,
RoFo : Fortschritte auf dem Gebiete der Rontgenstrahlen und der Nuklearmedizin,
M Lönnemark, and
A Hemmingsson, and
T Bach-Gansmo, and
H Hagberg, and
A Magnusson, and
H G Gundersen, and
R Nyman
May 1993,
The British journal of radiology,
M Lönnemark, and
A Hemmingsson, and
T Bach-Gansmo, and
H Hagberg, and
A Magnusson, and
H G Gundersen, and
R Nyman
January 2000,
European radiology,
M Lönnemark, and
A Hemmingsson, and
T Bach-Gansmo, and
H Hagberg, and
A Magnusson, and
H G Gundersen, and
R Nyman
July 1996,
Academic radiology,
M Lönnemark, and
A Hemmingsson, and
T Bach-Gansmo, and
H Hagberg, and
A Magnusson, and
H G Gundersen, and
R Nyman
January 1995,
Journal of magnetic resonance imaging : JMRI,
M Lönnemark, and
A Hemmingsson, and
T Bach-Gansmo, and
H Hagberg, and
A Magnusson, and
H G Gundersen, and
R Nyman
April 2002,
Investigative radiology,
M Lönnemark, and
A Hemmingsson, and
T Bach-Gansmo, and
H Hagberg, and
A Magnusson, and
H G Gundersen, and
R Nyman
July 1990,
Acta radiologica (Stockholm, Sweden : 1987),
M Lönnemark, and
A Hemmingsson, and
T Bach-Gansmo, and
H Hagberg, and
A Magnusson, and
H G Gundersen, and
R Nyman
August 2002,
Academic radiology,
