2024
Orzada S, Fiedler TM, Ladd ME.
Hybrid algorithms for SAR matrix compression and the impact of post-processing on SAR calculation complexity.
Magn Reson Med 2024.
doi: 10.1002/mrm.30235
Fiedler TM, Ladd ME, Orzada S.
Local and whole-body SAR in UHF body imaging: Implications for SAR matrix compression.
Magn Reson Med 2024.
doi: 10.1002/mrm.30306
Tenbergen CJA, Fortuin AS, van Asten JJA, Veltien A, Philips BWJ, Hambrock T, Orzada S, Quick HH, Barentsz JO, Maas MC, Scheenen TWJ.
The Potential of Iron Oxide Nanoparticle-Enhanced MRI at 7 T Compared With 3 T for Detecting Small Suspicious Lymph Nodes in Patients With Prostate Cancer.
Invest Radiol 2024;59(7):519-525.
doi: 10.1097/RLI.0000000000001056
Dietrich KA, Kluter S, Dinkel F, Echner G, Brons S, Orzada S, Debus J, Ladd ME, Platt T.
An essentially radiation-transparent body coil integrated with a patient rotation system for MR-guided particle therapy.
Med Phys 2024;51(6):4028-4043.
doi: 10.1002/mp.17065
2023
Fortuin, A., van Asten, J., Veltien, A., Philips, B., Hambrock, T., Johst, S., Orzada, S., Hadaschik, B., Quick, H., Barentsz, J., Maas, M., Scheenen, T.
Small Suspicious Lymph Nodes Detected on Ultrahigh-field Magnetic Resonance Imaging (MRI) in Patients with Prostate Cancer with High Risk of Nodal Metastases: The First In-patient Study on Ultrasmall Superparamagnetic Iron Oxide–enhanced 7T MRI
(2023) European Urology, 83 (4), pp. 375-377.
DOI: 10.1016/j.eururo.2023.01.002
Choi, C., Webb, A., Orzada, S., Kelenjeridze, M., Shah, N.J., Felder, J.
A Review of Parallel Transmit Arrays for Ultra-High Field MR Imaging
(2023) IEEE Reviews in Biomedical Engineering, pp. 1-19.
DOI: 10.1109/RBME.2023.3244132
Orzada, S., Akash, S., Fiedler, T.M., Kratzer, F.J., Ladd, M.E.
An investigation into the dependence of virtual observation point-based specific absorption rate calculation complexity on number of channels
(2023) Magnetic Resonance in Medicine, 89 (1), pp. 469-476.
DOI: 10.1002/mrm.29434
2022
Fiedler, T.M., Orzada, S., Flöser, M., Rietsch, S.H.G., Schmidt, S., Stelter, J.K., Wittrich, M., Quick, H.H., Bitz, A.K., Ladd, M.E.
Performance and safety assessment of an integrated transmit array for body imaging at 7 T under consideration of specific absorption rate, tissue temperature, and thermal dose
(2022) NMR in Biomedicine, 35 (5), art. no. e4656, .
DOI: 10.1002/nbm.4656
2021
Orzada, S., Fiedler, T.M., Quick, H.H., Ladd, M.E.
Post-processing algorithms for specific absorption rate compression
(2021) Magnetic Resonance in Medicine, 86 (5), pp. 2853-2861.
DOI: 10.1002/mrm.28909
Fiedler, T.M., Orzada, S., Flöser, M., Rietsch, S.H.G., Quick, H.H., Ladd, M.E., Bitz, A.K.
Performance analysis of integrated RF microstrip transmit antenna arrays with high channel count for body imaging at 7 T
(2021) NMR in Biomedicine, 34 (7), art. no. e4515, .
DOI: 10.1002/nbm.4515
Orzada, S., Fiedler, T.M., Quick, H.H., Ladd, M.E.
Local SAR compression algorithm with improved compression, speed, and flexibility
(2021) Magnetic Resonance in Medicine, 86 (1), pp. 561-568.
DOI: 10.1002/mrm.28739
Orzada, S., Fiedler, T.M., Bitz, A.K., Ladd, M.E., Quick, H.H.
Local SAR compression with overestimation control to reduce maximum relative SAR overestimation and improve multi-channel RF array performance
(2021) Magnetic Resonance Materials in Physics, Biology and Medicine, 34 (1), pp. 153-163.
DOI: 10.1007/s10334-020-00890-0
2020
Fortuin, A.S., Philips, B.W.J., van der Leest, M.M.G., Ladd, M.E., Orzada, S., Maas, M.C., Scheenen, T.W.J.
Magnetic resonance imaging at ultra-high magnetic field strength: An in vivo assessment of number, size and distribution of pelvic lymph nodes
(2020) PLoS ONE, 15 (7 July), art. no. e0236884, .
DOI: 10.1371/journal.pone.0236884
2019
Orzada, S., Solbach, K., Gratz, M., Brunheim, S., Fiedler, T.M., Johst, S., Bitz, A.K., Shooshtary, S., Abuelhaija, A., Voelker, M.N., Rietsch, S.H.G., Kraff, O., Maderwald, S., Flöser, M., Oehmigen, M., Quick, H.H., Ladd, M.E.
A 32-channel parallel transmit system add-on for 7T MRI
(2019) PLoS ONE, 14 (9), art. no. e0222452, .
DOI: 10.1371/journal.pone.0222452