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作者报告35例病人的37个周围性神经鞘瘤(NST)的CT表现(雪旺氏瘤16个,神经纤维瘤11个,丛状神经纤维瘤5个,弥漫性神经纤维瘤1个,恶性NST4个)。男13,女22例。年龄12～70岁。CT表现:①肿瘤位置:椎旁13个,纵隔5个,咽旁4个,臂丛5个,坐骨神经5个,眼眶、腹部、腭和骨内各1个,皮肤2个;②大小:2～20cm;③边缘:30个为边界清楚的圆形、卵圆形或纺锤形肿块;④邻近肌肉和筋膜的移位:4个喉旁者均位于颈动脉鞘内,使咽旁脂肪间隙前移和/或斜方肌后移。4个颈椎旁和2个臂丛肿癌大部分向椎间孔外延伸并有前斜方肌和颈长肌前移。腰椎旁肿瘤均
The authors reported CT findings of 37 peripheral nerve sheath tumors (NST) in 35 patients (16 for Schwannoma, 11 for neurofibroma, 5 for plexiform neurofibroma, 1 for diffuse neurofibroma, NST4). Male 13, female 22 cases. Aged 12 to 70 years old. CT: ① tumor location: paravertebral 13, mediastinal 5, parapharyngeal 4, brachial plexus 5, sciatic nerve 5, eyes, abdomen, palate and bone each one, skin 2; ② size: 2 ~ 20cm; ③ edge: 30 for the clear boundary of a circular, oval or spindle-shaped mass; ④ adjacent muscle and fascia displacement: 4 larynx are located in the carotid sheath, the parapharyngeal fat gap Advancing and / or trapezius muscle posterior. Most of the 4 cervical parasitoids and 2 of the brachial-plexiform carcinoma extended to the foramina and had anterior trapezius and neck longus forward. Lumbar paraneoplastic are