Myopericytoma of the axillary artery in a 4-year-old girl presenting with stroke and subsequent progression of micro-isolated lesion oleh Kentaro Kasa, MD, Kota Shukuzawa, MD, PhD, Hirotsugu Ozawa, MD, PhD, Yoshihiko Chono, MD, Ai Iwauchi, MD, Kae Kawachi, MD, PhD, Takao Ohki, MD, PhD