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Abstract #4667

Comparison of TGSE-BLADE, RESOLVE and SS-EPI for diffusion weighted imaging after cerebral aneurysmal clipping

Sachi Okuchi1, Yasutaka Fushimi1, Satoshi Nakajima1, Akihiko Sakata1, Takuya Hinoda1, Sayo Otani1, Azusa Sakurama1, Krishna Pandu Wicaksono1, Hiroshi Tagawa1, Yang Wang1, Satoshi Ikeda1, Kun Zhou2, and Yuji Nakamoto1
1Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan, 2Siemens Shenzhen Magnetic Resonance Ltd., Shenzhen, China


TGSE-BLADE DWI has been reported to reduce geometric distortion and susceptibility artifacts. However, it is unknown whether it reduces the clip-induced artifacts and improves image quality in patients after cerebral aneurysmal clipping. We compared the distortion and the artifacts between SS-EPI, RESOLVE, and TGSE-BLADE DWI in healthy volunteers and patients with a cerebral aneurysmal clip. TGSE-BLADE DWI has the best image quality regarding distortion and artifacts, especially at air-bone interfaces and near metal clips, which suggests that TGSE-BLADE DWI is a promising method for evaluating lesions at air-bone interfaces and scanning the patients with a clip.

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