目的回顾分析胸、腹部恶性神经鞘瘤的CT表现，以提高对本病的认识。
Objective To analyse CT appearances of malignant neurilemoma in the thorax and abdomen, in order to improve the diagnostic accuracy of this disorder.
目的探讨肺脏原发性恶性外周神经鞘瘤(MPNST)的临床病理学特征及诊断、鉴别诊断要点。
Purpose to investigate the clinical pathologic characteristics and to probe into the diagnosis and differential diagnosis of the primary malignant peripheral nerve sheath tumor (MPNST) of the lung.
但是，恶性眶神经鞘瘤则预后不良。
结果神经鞘瘤14例，神经纤维瘤5例，恶性周围性神经鞘瘤（MP NST） 5例，原始神经外胚层瘤1例。
Results There were 14 schwannomas, 5 neurofibromas, 5 malignant peripheral nerve sheath tumors(MPNST), and 1 peripheral primitive neuroectodermal tumor.
最易误诊为滑膜肉瘤的肿瘤是恶性周围神经鞘膜瘤，占31 .8%。
Most of the cases mistaken as synovial sarcoma were MPNST that accounted for 31.8%.
目的：研究腹膜后神经鞘瘤的CT、MRI表现及良恶性鉴别。
Objective: to study the ct and MRI findings of the retroperitoneal schwannoma, and differ the benign to malignant tumor.
结果显示，受试对象患恶性脑胶质瘤和心脏神经鞘瘤的几率不高。
It found low incidences of malignant gliomas in the brain, and schwannomas in the hearts of the subjects.
结果显示，受试对象患恶性脑胶质瘤和心脏神经鞘瘤的几率不高。
It found low incidences of malignant gliomas in the brain, and schwannomas in the hearts of the subjects.
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