Abstract #4588
MR quantitative pulmonary perfusion imaging in 2-year old children after congenital diaphragmatic hernia repair -comparison between high temporal and high spatial resolution-
Meike Weidner 1 , Frank G. Zllner 2 , Claudia Hagelstein 1 , Thomas Schaible 3 , Katrin Zahn 4 , Lothar R. Schad 2 , Stefan O. Schoenberg 1 , and K. Wolfgang Neff 1
1
Institute of Clinical Radiology and Nuclear
Medicine, University Medical Center Mannheim, Mannheim,
Germany,
2
Computer
Assisted Clinical Medicine, Medical Faculty Mannheim,
Heidelberg University, Mannheim, Germany,
3
Department
of Pediatrics, University Medical Center Mannheim,
Mannheim, Germany,
4
Department
of Pediatric Surgery, University Medical Center
Mannheim, Mannheim, Germany
2-year old children after congenital diaphragmatic
hernia (CDH) repair show significantly reduced lung
perfusion values on the ipsilateral side in quantitative
MR imaging. A temporal resolution of 1.5 s with an
isotropic voxel size of 2 mm3 brings a gain of peak
contrast to noise ratio (PCNR) and leads to higher
perfusion values, when compared to a higher spatially
resolved protocol. Consequently, these image parameters
should be selected in routine follow-up programs.
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