T2WI相：脑皮质与脑白质能较好分辨，皮质信号高于白质信号，双侧侧脑室后角呈高信号；
T2WI phase: cerebral cortex and white matter can better distinguish the signal above the cortical white matter signal, after the bilateral lateral ventricle angle showed a high signal;
侧脑室穿刺后，脑脊液中的红细胞可广泛分布于鼓膜前角和前庭阶。
Red blood cells in CSF can widely distribute in scalae tympani and scala vestibuli after lateral ventricle puncture.
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