Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
369-04-011 ISMRM Abstract

Evaluation of Conjugate-Gradient–Reconstructed Ultra-Short TE MRA for Patients with Metallic Devices: Comparison with Convent

Accepted
Sachi Okuchi1, Yasutaka Fushimi2, Koji Fujimoto1, Takayuki Yamamoto 2, Kanae K Miyake1, Hitomi Numamoto3, Yuichiro Monzen3, Satoshi Nakajima2, Akihiko Sakata2, Sonoko Oshima2, Shuichi Ito2, Masaki Umehana2, Yongping Ma2, Shin Morooka2, Yusuke Utsunomiya2, Rimika Imai4, Yuji Nakamoto2
1Advanced Medical Imaging Research, Kyoto University Graduate School of Medicine, Kyoto, Japan
2Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, Japan
3Kyoto University Hospital, Kyoto, Japan
4Canon Medical Systems Corporation, Otawara-shi, Japan
Presenting Author: Takayuki Yamamoto

Synopsis

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References

1. Hargreaves BA, Worters PW, Pauly KB, Pauly JM, Koch KM, Gold GE. Metal-induced artifacts in MRI. AJR Am J Roentgenol. 2011;197(3):547-55.
2. Kim JH, Ahn SJ, Park M, Kim YB, Joo B, Lee W, et al. Follow-up imaging of clipped intracranial aneurysms with 3-T MRI: comparison between 3D time-of-flight MR angiography and pointwise encoding time reduction with radial acquisition subtraction-based MR angiography. J Neurosurg. 2022;136(5):1260-5.
3. Nielsen HT, Gold GE, Olcott EW, Pauly JM, Nishimura DG. Ultra-short echo-time 2D time-of-flight MR angiography using a half-pulse excitation. Magn Reson Med. 1999;41(3):591-9.
4. Alibek S, Vogel M, Sun W, Winkler D, Baker CA, Burke M, et al. Acoustic noise reduction in MRI using Silent Scan: an initial experience. Diagn Interv Radiol. 2014;20(4):360-3.
5. Irie R, Suzuki M, Yamamoto M, Takano N, Suga Y, Hori M, et al. Assessing Blood Flow in an Intracranial Stent: A Feasibility Study of MR Angiography Using a Silent Scan after Stent-Assisted Coil Embolization for Anterior Circulation Aneurysms. AJNR Am J Neuroradiol. 2015;36(5):967-70.
6. Shang S, Ye J, Luo X, Qu J, Zhen Y, Wu J. Follow-up assessment of coiled intracranial aneurysms using zTE MRA as compared with TOF MRA: a preliminary image quality study. Eur Radiol. 2017;27(10):4271-80.
7. Ayabe Y, Hamamoto K, Yoshino Y, Ikeda Y, Chiba E, Yuzawa H, et al. Ultra-short Echo-time MR Angiography Combined with a Subtraction Method to Assess Intracranial Aneurysms Treated with a Flow-diverter Device. Magn Reson Med Sci. 2023;22(1):117-25.
8. Wright KL, Hamilton JI, Griswold MA, Gulani V, Seiberlich N. Non-Cartesian parallel imaging reconstruction. J Magn Reson Imaging. 2014;40(5):1022-40.
9. Knopp T, Kunis S, Potts D. A note on the iterative MRI reconstruction from nonuniform k-space data. Int J Biomed Imaging. 2007;2007:24727.
10. K Fujimoto, KK Miyake, S Okuchi, Y Monzen, R Imai, H Kusahara, J Fujimoto, Y Fushimi, and Y Nakamoto, editor Optimization of Flip Angle in Arterial Spin Labeling-based Ultra-Short TE MRI for Brain MR Angiography. 2025 ISMRM & ISMRT; 2025; Honolulu.

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