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Items: 1 to 50 of 75

1.

A network of trans-cortical capillaries as mainstay for blood circulation in long bones.

Grüneboom A, Hawwari I, Weidner D, Culemann S, Müller S, Henneberg S, Brenzel A, Merz S, Bornemann L, Zec K, Wuelling M, Kling L, Hasenberg M, Voortmann S, Lang S, Baum W, Ohs A, Kraff O, Quick HH, Jäger M, Landgraeber S, Dudda M, Danuser R, Stein JV, Rohde M, Gelse K, Garbe AI, Adamczyk A, Westendorf AM, Hoffmann D, Christiansen S, Engel DR, Vortkamp A, Krönke G, Herrmann M, Kamradt T, Schett G, Hasenberg A, Gunzer M.

Nat Metab. 2019 Feb;1(2):236-250. doi: 10.1038/s42255-018-0016-5. Epub 2019 Jan 21.

PMID:
31620676
2.

A 32-channel parallel transmit system add-on for 7T MRI.

Orzada S, Solbach K, Gratz M, Brunheim S, Fiedler TM, Johst S, Bitz AK, Shooshtary S, Abuelhaija A, Voelker MN, Rietsch SHG, Kraff O, Maderwald S, Flöser M, Oehmigen M, Quick HH, Ladd ME.

PLoS One. 2019 Sep 12;14(9):e0222452. doi: 10.1371/journal.pone.0222452. eCollection 2019.

3.

European Ultrahigh-Field Imaging Network for Neurodegenerative Diseases (EUFIND).

Düzel E, Acosta-Cabronero J, Berron D, Biessels GJ, Björkman-Burtscher I, Bottlaender M, Bowtell R, Buchem MV, Cardenas-Blanco A, Boumezbeur F, Chan D, Clare S, Costagli M, de Rochefort L, Fillmer A, Gowland P, Hansson O, Hendrikse J, Kraff O, Ladd ME, Ronen I, Petersen E, Rowe JB, Siebner H, Stoecker T, Straub S, Tosetti M, Uludag K, Vignaud A, Zwanenburg J, Speck O.

Alzheimers Dement (Amst). 2019 Jul 31;11:538-549. doi: 10.1016/j.dadm.2019.04.010. eCollection 2019 Dec.

4.

Radiofrequency induced heating around aneurysm clips using a generic birdcage head coil at 7 Tesla under consideration of the minimum distance to decouple multiple aneurysm clips.

Noureddine Y, Kraff O, Ladd ME, Wrede K, Chen B, Quick HH, Schaefers G, Bitz AK.

Magn Reson Med. 2019 Nov;82(5):1859-1875. doi: 10.1002/mrm.27835. Epub 2019 Jun 14.

PMID:
31199013
5.

Radiofrequency Coils for 7 Tesla MRI.

Kraff O, Quick HH.

Top Magn Reson Imaging. 2019 Jun;28(3):145-158. doi: 10.1097/RMR.0000000000000206. Review.

PMID:
31188273
6.

[Safety of implants in high field and ultrahigh field MRI].

Kraff O, Quick HH.

Radiologe. 2019 Oct;59(10):898-905. doi: 10.1007/s00117-019-0556-z. Review. German.

PMID:
31172246
7.

Cerebellar transcranial direct current stimulation modulates the fMRI signal in the cerebellar nuclei in a simple motor task.

Küper M, Mallick JS, Ernst T, Kraff O, Thürling M, Stefanescu MR, Göricke S, Nitsche MA, Timmann D.

Brain Stimul. 2019 Sep - Oct;12(5):1169-1176. doi: 10.1016/j.brs.2019.04.002. Epub 2019 Apr 4.

PMID:
30987860
8.

Abdominopelvic 1.5-T and 3.0-T MR Imaging in Healthy Volunteers: Relationship to Formation of DNA Double-Strand Breaks.

Suntharalingam S, Mladenov E, Sarabhai T, Wetter A, Kraff O, Quick HH, Forsting M, Iliakis G, Nassenstein K.

Radiology. 2018 Aug;288(2):529-535. doi: 10.1148/radiol.2018172453. Epub 2018 May 1.

PMID:
29714683
9.

An 8/15-channel Tx/Rx head neck RF coil combination with region-specific B1 + shimming for whole-brain MRI focused on the cerebellum at 7T.

Pfaffenrot V, Brunheim S, Rietsch SHG, Koopmans PJ, Ernst TM, Kraff O, Orzada S, Quick HH.

Magn Reson Med. 2018 Sep;80(3):1252-1265. doi: 10.1002/mrm.27125. Epub 2018 Feb 9. No abstract available.

PMID:
29427315
10.

Doppler ultrasound triggering for cardiac MRI at 7T.

Kording F, Ruprecht C, Schoennagel B, Fehrs K, Yamamura J, Adam G, Goebel J, Nassenstein K, Maderwald S, Quick HH, Kraff O.

Magn Reson Med. 2018 Jul;80(1):239-247. doi: 10.1002/mrm.27032. Epub 2017 Dec 1.

PMID:
29194732
11.

1.5 versus 3 versus 7 Tesla in abdominal MRI: A comparative study.

Laader A, Beiderwellen K, Kraff O, Maderwald S, Wrede K, Ladd ME, Lauenstein TC, Forsting M, Quick HH, Nassenstein K, Umutlu L.

PLoS One. 2017 Nov 10;12(11):e0187528. doi: 10.1371/journal.pone.0187528. eCollection 2017.

12.

Nigrosome 1 visibility at susceptibility weighted 7T MRI-A dependable diagnostic marker for Parkinson's disease or merely an inconsistent, age-dependent imaging finding?

Gramsch C, Reuter I, Kraff O, Quick HH, Tanislav C, Roessler F, Deuschl C, Forsting M, Schlamann M.

PLoS One. 2017 Oct 10;12(10):e0185489. doi: 10.1371/journal.pone.0185489. eCollection 2017.

13.

An 8-channel transceiver 7-channel receive RF coil setup for high SNR ultrahigh-field MRI of the shoulder at 7T.

Rietsch SHG, Pfaffenrot V, Bitz AK, Orzada S, Brunheim S, Lazik-Palm A, Theysohn JM, Ladd ME, Quick HH, Kraff O.

Med Phys. 2017 Dec;44(12):6195-6208. doi: 10.1002/mp.12612. Epub 2017 Oct 28.

PMID:
28976586
14.

Non-enhanced versus low-dose contrast-enhanced renal magnetic resonance angiography at 7 T: a feasibility study.

Laader A, Beiderwellen K, Kraff O, Maderwald S, Ladd ME, Forsting M, Umutlu L.

Acta Radiol. 2018 Mar;59(3):296-304. doi: 10.1177/0284185117718399. Epub 2017 Jul 10.

PMID:
28691526
15.

7T: Physics, safety, and potential clinical applications.

Kraff O, Quick HH.

J Magn Reson Imaging. 2017 Dec;46(6):1573-1589. doi: 10.1002/jmri.25723. Epub 2017 Apr 3. Review.

PMID:
28370675
16.

In vitro and in silico assessment of RF-induced heating around intracranial aneurysm clips at 7 Tesla.

Noureddine Y, Kraff O, Ladd ME, Wrede KH, Chen B, Quick HH, Schaefers G, Bitz AK.

Magn Reson Med. 2018 Jan;79(1):568-581. doi: 10.1002/mrm.26650. Epub 2017 Mar 7.

PMID:
28266079
17.

Contrast enhanced renal MR angiography at 7 Tesla: How much gadolinium do we need?

Beiderwellen K, Kraff O, Laader A, Maderwald S, Orzada S, Ladd ME, Forsting M, Lauenstein TC, Umutlu L.

Eur J Radiol. 2017 Jan;86:76-82. doi: 10.1016/j.ejrad.2016.11.007. Epub 2016 Nov 5.

PMID:
28027770
18.

Morphological and Quantitative 7 T MRI of Hip Cartilage Transplants in Comparison to 3 T-Initial Experiences.

Lazik-Palm A, Kraff O, Johst S, Quick HH, Ladd ME, Geis C, Körsmeier K, Landgraeber S, Theysohn JM.

Invest Radiol. 2016 Sep;51(9):552-9. doi: 10.1097/RLI.0000000000000264.

PMID:
27257866
19.

7 Tesla quantitative hip MRI: a comparison between TESS and CPMG for T2 mapping.

Kraff O, Lazik-Palm A, Heule R, Theysohn JM, Bieri O, Quick HH.

MAGMA. 2016 Jun;29(3):503-12. doi: 10.1007/s10334-016-0557-0. Epub 2016 Apr 25.

PMID:
27112156
20.

The traveling heads: multicenter brain imaging at 7 Tesla.

Voelker MN, Kraff O, Brenner D, Wollrab A, Weinberger O, Berger MC, Robinson S, Bogner W, Wiggins C, Trampel R, Stöcker T, Niendorf T, Quick HH, Norris DG, Ladd ME, Speck O.

MAGMA. 2016 Jun;29(3):399-415. doi: 10.1007/s10334-016-0541-8. Epub 2016 Apr 20.

PMID:
27097904
21.

Cranial fixation plates in cerebral magnetic resonance imaging: a 3 and 7 Tesla in vivo image quality study.

Chen B, Schoemberg T, Kraff O, Dammann P, Bitz AK, Schlamann M, Quick HH, Ladd ME, Sure U, Wrede KH.

MAGMA. 2016 Jun;29(3):389-98. doi: 10.1007/s10334-016-0548-1. Epub 2016 Mar 30.

PMID:
27026243
22.

Morphological imaging and T2 and T2* mapping of hip cartilage at 7 Tesla MRI under the influence of intravenous gadolinium.

Lazik-Palm A, Kraff O, Geis C, Johst S, Goebel J, Ladd ME, Quick HH, Theysohn JM.

Eur Radiol. 2016 Nov;26(11):3923-3931. Epub 2016 Feb 12.

PMID:
26873493
23.

Non-enhanced magnetic resonance imaging of the small bowel at 7 Tesla in comparison to 1.5 Tesla: First steps towards clinical application.

Hahnemann ML, Kraff O, Maderwald S, Johst S, Orzada S, Umutlu L, Ladd ME, Quick HH, Lauenstein TC.

Magn Reson Imaging. 2016 Jun;34(5):668-73. doi: 10.1016/j.mri.2015.11.012. Epub 2015 Dec 31.

PMID:
26747410
24.

Experience with magnetic resonance imaging of human subjects with passive implants and tattoos at 7 T: a retrospective study.

Noureddine Y, Bitz AK, Ladd ME, Thürling M, Ladd SC, Schaefers G, Kraff O.

MAGMA. 2015 Dec;28(6):577-90. doi: 10.1007/s10334-015-0499-y. Epub 2015 Sep 26.

PMID:
26410044
25.

7 Tesla quantitative hip MRI: T1, T2 and T2* mapping of hip cartilage in healthy volunteers.

Lazik A, Theysohn JM, Geis C, Johst S, Ladd ME, Quick HH, Kraff O.

Eur Radiol. 2016 May;26(5):1245-53. doi: 10.1007/s00330-015-3964-0. Epub 2015 Aug 28.

PMID:
26314482
26.

Are transversal MR images sufficient to distinguish persons with mild cognitive impairment from healthy controls?

Mönninghoff C, Dlugaj M, Kraff O, Geisel MH, Jöckel KH, Erbel R, Weimar C, Wanke I; Heinz Nixdorf Recall Study Investigative Group.

Acad Radiol. 2015 Sep;22(9):1172-80. doi: 10.1016/j.acra.2015.04.008. Epub 2015 Jul 7.

PMID:
26162248
27.

Aspects of postoperative magnetic resonance imaging of patients with avascular necrosis of the femoral head, treated by advanced core decompression.

Lazik A, Landgraeber S, Claßen T, Kraff O, Lauenstein TC, Theysohn JM.

Skeletal Radiol. 2015 Oct;44(10):1467-75. doi: 10.1007/s00256-015-2192-7. Epub 2015 Jun 21.

PMID:
26093539
28.

T1-Weighted Contrast-Enhanced Magnetic Resonance Imaging of the Small Bowel: Comparison Between 1.5 and 7 T.

Hahnemann ML, Kraff O, Orzada S, Umutlu L, Kinner S, Ladd ME, Quick HH, Lauenstein TC.

Invest Radiol. 2015 Aug;50(8):539-47. doi: 10.1097/RLI.0000000000000161.

PMID:
25945458
29.

Usefulness of metal artifact reduction with WARP technique at 1.5 and 3T MRI in imaging metal-on-metal hip resurfacings.

Lazik A, Landgraeber S, Schulte P, Kraff O, Lauenstein TC, Theysohn JM.

Skeletal Radiol. 2015 Jul;44(7):941-51. doi: 10.1007/s00256-015-2128-2. Epub 2015 Mar 25.

PMID:
25805436
30.

Diffuse axonal injury at ultra-high field MRI.

Moenninghoff C, Kraff O, Maderwald S, Umutlu L, Theysohn JM, Ringelstein A, Wrede KH, Deuschl C, Altmeppen J, Ladd ME, Forsting M, Quick HH, Schlamann M.

PLoS One. 2015 Mar 20;10(3):e0122329. doi: 10.1371/journal.pone.0122329. eCollection 2015.

31.

3 Tesla high-resolution and delayed gadolinium enhanced MR imaging of cartilage (dGEMRIC) after autologous chondrocyte transplantation in the hip.

Lazik A, Körsmeier K, Claßen T, Jäger M, Kamminga M, Kraff O, Lauenstein TC, Theysohn JM, Landgraeber S.

J Magn Reson Imaging. 2015 Sep;42(3):624-33. doi: 10.1002/jmri.24821. Epub 2014 Dec 19.

PMID:
25522716
32.

Cerebellar pathology in Friedreich's ataxia: atrophied dentate nuclei with normal iron content.

Solbach K, Kraff O, Minnerop M, Beck A, Schöls L, Gizewski ER, Ladd ME, Timmann D.

Neuroimage Clin. 2014 Aug 23;6:93-9. doi: 10.1016/j.nicl.2014.08.018. eCollection 2014.

33.

[(18)F]FDG PET/MRI vs. PET/CT for whole-body staging in patients with recurrent malignancies of the female pelvis: initial results.

Beiderwellen K, Grueneisen J, Ruhlmann V, Buderath P, Aktas B, Heusch P, Kraff O, Forsting M, Lauenstein TC, Umutlu L.

Eur J Nucl Med Mol Imaging. 2015 Jan;42(1):56-65. doi: 10.1007/s00259-014-2902-8. Epub 2014 Sep 16.

PMID:
25223420
34.

Non-enhanced T1-weighted liver vessel imaging at 7 Tesla.

Fischer A, Kraff O, Maderwald S, Beiderwellen K, Ladd ME, Forsting M, Lauenstein TC, Umutlu L.

PLoS One. 2014 Jun 2;9(6):e97465. doi: 10.1371/journal.pone.0097465. eCollection 2014.

35.

Vestibular effects of a 7 Tesla MRI examination compared to 1.5 T and 0 T in healthy volunteers.

Theysohn JM, Kraff O, Eilers K, Andrade D, Gerwig M, Timmann D, Schmitt F, Ladd ME, Ladd SC, Bitz AK.

PLoS One. 2014 Mar 21;9(3):e92104. doi: 10.1371/journal.pone.0092104. eCollection 2014.

36.

Hip imaging of avascular necrosis at 7 Tesla compared with 3 Tesla.

Theysohn JM, Kraff O, Theysohn N, Orzada S, Landgraeber S, Ladd ME, Lauenstein TC.

Skeletal Radiol. 2014 May;43(5):623-32. doi: 10.1007/s00256-014-1818-5. Epub 2014 Feb 5.

PMID:
24496584
37.

MRI at 7 Tesla and above: demonstrated and potential capabilities.

Kraff O, Fischer A, Nagel AM, Mönninghoff C, Ladd ME.

J Magn Reson Imaging. 2015 Jan;41(1):13-33. doi: 10.1002/jmri.24573. Epub 2014 Jan 30. Review.

PMID:
24478137
38.

Ultrahigh-field imaging of the biliary tract at 7 T: initial results of gadoxetic acid-enhanced magnetic resonance cholangiography.

Fischer A, Kraff O, Orzada S, Nensa F, Schäfer LC, Ladd ME, Umutlu L, Lauenstein TC.

Invest Radiol. 2014 May;49(5):346-53. doi: 10.1097/RLI.0000000000000004.

PMID:
24141740
39.

Bilateral hip imaging at 7 Tesla using a multi-channel transmit technology: initial results presenting anatomical detail in healthy volunteers and pathological changes in patients with avascular necrosis of the femoral head.

Theysohn JM, Kraff O, Orzada S, Theysohn N, Classen T, Landgraeber S, Ladd ME, Lauenstein TC.

Skeletal Radiol. 2013 Nov;42(11):1555-63. doi: 10.1007/s00256-013-1698-0. Epub 2013 Aug 18.

PMID:
23955579
40.

Feasibility of T2 -weighted turbo spin echo imaging of the human prostate at 7 tesla.

Maas MC, Vos EK, Lagemaat MW, Bitz AK, Orzada S, Kobus T, Kraff O, Maderwald S, Ladd ME, Scheenen TW.

Magn Reson Med. 2014 May;71(5):1711-9. doi: 10.1002/mrm.24818. Epub 2013 Jun 24.

41.

Design of a modular protein-based MRI contrast agent for targeted application.

Grum D, Franke S, Kraff O, Heider D, Schramm A, Hoffmann D, Bayer P.

PLoS One. 2013 Jun 6;8(6):e65346. doi: 10.1371/journal.pone.0065346. Print 2013.

42.

Seven-Tesla MRI of the female pelvis.

Umutlu L, Kraff O, Fischer A, Kinner S, Maderwald S, Nassenstein K, Nensa F, Grüneisen J, Orzada S, Bitz AK, Forsting M, Ladd ME, Lauenstein TC.

Eur Radiol. 2013 Sep;23(9):2364-73. doi: 10.1007/s00330-013-2868-0. Epub 2013 May 4.

PMID:
23645332
43.

MR safety assessment of potential RF heating from cranial fixation plates at 7 T.

Kraff O, Wrede KH, Schoemberg T, Dammann P, Noureddine Y, Orzada S, Ladd ME, Bitz AK.

Med Phys. 2013 Apr;40(4):042302. doi: 10.1118/1.4795347.

PMID:
23556915
44.

First-pass contrast-enhanced renal MRA at 7 Tesla: initial results.

Umutlu L, Maderwald S, Kinner S, Kraff O, Bitz AK, Orzada S, Johst S, Wrede K, Forsting M, Ladd ME, Lauenstein TC, Quick HH.

Eur Radiol. 2013 Apr;23(4):1059-66. doi: 10.1007/s00330-012-2666-0. Epub 2012 Oct 14.

PMID:
23064714
45.

Magnetic resonance imaging of cranial nerves at 7 Tesla.

Grams AE, Kraff O, Kalkmann J, Orzada S, Maderwald S, Ladd ME, Forsting M, Gizewski ER.

Clin Neuroradiol. 2013 Mar;23(1):17-23. doi: 10.1007/s00062-012-0144-3. Epub 2012 Sep 27.

PMID:
23015059
46.

MRI of the ankle joint in healthy non-athletes and in marathon runners: image quality issues at 7.0 T compared to 1.5 T.

Theysohn JM, Kraff O, Maderwald S, Kokulinsky PC, Ladd ME, Barkhausen J, Ladd SC.

Skeletal Radiol. 2013 Feb;42(2):261-7. doi: 10.1007/s00256-012-1454-x. Epub 2012 Jun 13.

PMID:
22688975
47.

New look at renal vasculature: 7 tesla nonenhanced T1-weighted FLASH imaging.

Umutlu L, Maderwald S, Kraff O, Kinner S, Schaefer LC, Wrede K, Antoch G, Forsting M, Ladd ME, Lauenstein TC, Quick HH.

J Magn Reson Imaging. 2012 Sep;36(3):714-21. doi: 10.1002/jmri.23702. Epub 2012 May 30.

PMID:
22649028
48.

Contrast-enhanced ultra-high-field liver MRI: a feasibility trial.

Umutlu L, Bitz AK, Maderwald S, Orzada S, Kinner S, Kraff O, Brote I, Ladd SC, Schroeder T, Forsting M, Antoch G, Ladd ME, Quick HH, Lauenstein TC.

Eur J Radiol. 2013 May;82(5):760-7. doi: 10.1016/j.ejrad.2011.07.004. Epub 2011 Aug 20.

PMID:
21862273
49.

MRI of the lumbar spine at 7 Tesla in healthy volunteers and a patient with congenital malformations.

Grams AE, Kraff O, Umutlu L, Maderwald S, Dammann P, Ladd ME, Forsting M, Gizewski ER.

Skeletal Radiol. 2012 May;41(5):509-14. doi: 10.1007/s00256-011-1197-0. Epub 2011 May 24.

PMID:
21604210
50.

A large-scale study on subjective perception of discomfort during 7 and 1.5 T MRI examinations.

Heilmaier C, Theysohn JM, Maderwald S, Kraff O, Ladd ME, Ladd SC.

Bioelectromagnetics. 2011 Dec;32(8):610-9. doi: 10.1002/bem.20680. Epub 2011 May 19.

PMID:
21598286

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