Abstract #4922
Contrast-enhanced and non-contrast-enhanced renal vessel imaging at 7 Tesla
Oliver Kraff 1 , Karsten Beiderwellen 1,2 , Anja Fischer 2 , Stephan Orzada 1,2 , Stefan Maderwald 1 , Mark E Ladd 1,3 , Thomas C Lauenstein 2 , and Lale Umutlu 2
1
Erwin L. Hahn Institute for MRI, University
Duisburg-Essen, Essen, Germany,
2
Department
of Diagnostic and Interventional Radiology and
Neuroradiology, University Hospital Essen, Essen,
Germany,
3
Division
of Medical Physics in Radiology, German Cancer Research
Center (DKFZ), Heidelberg, Germany
MRA is one of the applications that may benefit
dramatically from the increase of the magnetic field
strength to 7T. The aim of this study is the evaluation
of the diagnostic quality of renal MRA at 7T in
non-contrast-enhanced TOF versus contrast-enhanced FLASH
imaging under reduction of contrast agent dosage to
one-half and one-quarter of the standard dosage. 15
healthy volunteers (9f, 6m) were included in this study.
The possibility to perform high-quality native and
low-dose vessel imaging may be of high clinical
importance for patients with renal insufficiency.
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