Graf H - Search Results

1

Metal artifacts caused by gradient switching.

Graf H, Steidle G, Martirosian P, Lauer UA, Schick F. Graf H, et al. Magn Reson Med. 2005 Jul;54(1):231-4. doi: 10.1002/mrm.20524. Magn Reson Med. 2005. PMID: 15968663 Free article.

2

[Artifacts in MRT caused by instruments and implants].

Graf H, Lauer UA, Klemm T, Schnieder L, Schick F. Graf H, et al. Z Med Phys. 2003;13(3):165-70. doi: 10.1078/0939-3889-00169. Z Med Phys. 2003. PMID: 14562538 German.

3

Sodium 3-D MRI of the human torso using a volume coil.

Steidle G, Graf H, Schick F. Steidle G, et al. Among authors: graf h. Magn Reson Imaging. 2004 Feb;22(2):171-80. doi: 10.1016/j.mri.2003.08.007. Magn Reson Imaging. 2004. PMID: 15010109

4

Numerical modeling of needle tip artifacts in MR gradient echo imaging.

Müller-Bierl B, Graf H, Lauer U, Steidle G, Schick F. Müller-Bierl B, et al. Among authors: graf h. Med Phys. 2004 Mar;31(3):579-87. doi: 10.1118/1.1640971. Med Phys. 2004. PMID: 15070257

5

rf enhancement and shielding in MRI caused by conductive implants: dependence on electrical parameters for a tube model.

Graf H, Steidle G, Lauer UA, Schick F. Graf H, et al. Med Phys. 2005 Feb;32(2):337-42. doi: 10.1118/1.1843351. Med Phys. 2005. PMID: 15789577

6

RF artifacts caused by metallic implants or instruments which get more prominent at 3 T: an in vitro study.

Graf H, Lauer UA, Berger A, Schick F. Graf H, et al. Magn Reson Imaging. 2005 Apr;23(3):493-9. doi: 10.1016/j.mri.2004.12.009. Magn Reson Imaging. 2005. PMID: 15862651

7

Radio frequency versus susceptibility effects of small conductive implants--a systematic MRI study on aneurysm clips at 1.5 and 3 T.

Lauer UA, Graf H, Berger A, Claussen CD, Schick F. Lauer UA, et al. Among authors: graf h. Magn Reson Imaging. 2005 May;23(4):563-9. doi: 10.1016/j.mri.2005.02.012. Magn Reson Imaging. 2005. PMID: 15919602

8

Effects on MRI due to altered rf polarization near conductive implants or instruments.

Graf H, Steidle G, Martirosian P, Lauer UA, Schick F. Graf H, et al. Med Phys. 2006 Jan;33(1):124-7. doi: 10.1118/1.2132571. Med Phys. 2006. PMID: 16485418

9

Eddy-current induction in extended metallic parts as a source of considerable torsional moment.

Graf H, Lauer UA, Schick F. Graf H, et al. J Magn Reson Imaging. 2006 Apr;23(4):585-90. doi: 10.1002/jmri.20539. J Magn Reson Imaging. 2006. PMID: 16534754

10

Heating of metallic implants and instruments induced by gradient switching in a 1.5-Tesla whole-body unit.

Graf H, Steidle G, Schick F. Graf H, et al. J Magn Reson Imaging. 2007 Nov;26(5):1328-33. doi: 10.1002/jmri.21157. J Magn Reson Imaging. 2007. PMID: 17969167

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