For those infants with an abnormal neurological examination, MRI may be useful for diagnosis of PVL in spite of normal ultrasound findings during the newborn period.

• 对于新生儿期脑部超音波检查正常之婴儿，如果神经学检查有不正常之发现，脑部磁振摄影可用来诊断脑室周围白质软化症。