Malignant transformation of a dysembryoplastic neuroepithelial tumor presenting with intraventricular hemorrhage oleh Hirotaka Takita, MD, Taro Shimono, MD, PhD, Takehiro Uda, MD, PhD, Hayato Ikota, MD, PhD, Toshiyuki Kawashima, MD, PhD, Daisuke Horiuchi, MD, Eisaku Terayama, MD, Taro Tsukamoto, MD, PhD, Yukio Miki, MD, PhD