Semiautomated ROI analysis in dynamic MR studies. Part II: Application to renal function examination.

@article{Schulthess1991SemiautomatedRA,
  title={Semiautomated ROI analysis in dynamic MR studies. Part II: Application to renal function examination.},
  author={Gustav K von Schulthess and Walter Kuoni and Guido Gerig and R J W{\"u}thrich and Stefan Duewell and Gabriel P. Krestin},
  journal={Journal of computer assisted tomography},
  year={1991},
  volume={15 5},
  pages={733-41}
}
Fast MR techniques and the application of water-soluble contrast agents allow the simultaneous examination of renal morphology and the functional aspects of glomerular filtration using bolus injections of Gd-DTPA. Spatial resolution is sufficient to resolve individual renal pyramids, but the quantitative examination of regions of interest (ROIs) is severely impeded by organ movements due to variations of the end-inspiratory position. A new image-processing scheme has been used and tested in 23… CONTINUE READING

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