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[P3-A2-104] The estimation of myelin volume fraction using magnetization transfer saturation index in patients with idiopathic normal pressure hydrocephalus

^○Ryusuke Irie^1,2, Kouhei Kamiya^1,2, Masaaki Hori¹, Michimasa Suzuki¹, Akifumi Hagiwara^1,2, Tomoko Maekawa^1,2, Saori Koshino^1,2, Issei Fukunaga¹, Syo Murata¹, Takashi Iwasaki¹, Yuki Takenaka³, Moeko Horita³, Madoka Nakajima⁴, Masakazu Miyajima⁴, Shigeki Aoki¹ (1.Department of Radiology, Juntendo University School of Medicine, 2.Department of Radiology, Graduate School of Medicine, The University of Tokyo, 3.Department of Radiological Sciences, Graduate School of Human Health Sciences, Tokyo Metropolitan University, 4.Department of Neurosurgery, Juntendo University School of Medicine)