Abstract #1913

Evaluation of Treatment Effect for Saccular Aneurysm by DANTE T1-SPACE

Yasutaka Fushimi¹, Hidehisa Nishi², Akira Ishii², Tomohisa Okada³, Akira Yamamoto¹, Tsutomu Okada¹, Takuya Hinoda¹, Takayuki Yamamoto¹, Hikaru Fukutomi¹, Yusuke Yokota¹, Sonoko Oshima¹, John Grinstead⁴, Sinyeob Ahn⁵, and Kaori Togashi¹

¹Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan, ²Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan, ³Human Brain Research Center, Kyoto University Graduate School of Medicine, Kyoto, Japan, ⁴Siemens Healthineers, Portland, OR, United States, ⁵Siemens Healthineers, San Francisco, CA, United States

The purpose of this study is to evaluate the therapeutic effect by FD stent on DANTE T1-SPACE imaging by comparing contrast enhanced 3D T1-weighted imaging. Patients underwent MR imaging for evaluation of pre-, post FD stent placement, and follow-up at 3T MR scanners were included. DANTE T1-SPACE of aneurysm showed dark intensity in pre-treatment study, and higher intensity in follow-up study, then darker intensity later. Enhancement ratio showed high value in pre-treatment study, and low value in follow-up study. DANTE T1-SPACE of aneurysm and enhancement ratio were negatively associated in all patients and exams.

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