These images are from a 26 year old woman, with a 10 year history of headache and a recent onset of progressive right arm and leg weakness, who underwent radiosurgery.

• 这些影像取自一名26岁女性，有10年头痛史。最近突发右侧上下肢进行性无力，此前该侧肢体曾接受过放射外科治疗。