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女,67岁;因阵发性头痛4个月,加重伴行走欠稳2个月入院,头颅MR示:右小脑角占位。
术中右侧CPA区见一实性占位,质韧,边界清、呈黄白色。
liangjinjun 离线
This is WHO grade I schwannoma, and is usually derived from vestibular branch of cranial nerve VIII at cerebellopontine angle. Vascular thrombosis, fibrinoid change, old hemorrhage, spindled and vacuolated cells are all its characteristics. Nuclear atypia is considered of degenerative nature when not associated with detectable mitotic activity.
聞道有先後,術業有專攻
emilyyinwen 离线