细胞深染，染色质粗，核端较钝圆 或平，HE×400 3.2.5 恶性周围神经鞘膜肿瘤(malignant peripheral nerve sheath tumor, MPNST) 过去称为恶性神经鞘瘤(malignant schwarmoma)，又称神经纤维肉瘤(neurofi...
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细胞深染，染色质粗，核端较钝圆 或平，HE×400 3.2.5 恶性周围神经鞘膜肿瘤(malignant peripheral nerve sheath tumor, MPNST) 过去称为恶性神经鞘瘤(malignant schwarmoma)，又称神经纤维肉瘤(neurofi...
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良性外周神经鞘膜肿瘤 benign peripheral nerve sheath tumour
恶性神经鞘膜肿瘤 malignant peripheral nerve sheath tumor ; MPNST
恶性周围神经鞘膜肿瘤 malignant peripheral nerve sheath tumor
良性周围神经鞘膜肿瘤 benign peripheral nerve sheath tumor
但椎管内神经鞘膜肿瘤的MR信号变化与脊膜瘤和室管腆窟无法区分。
However, the changes of MR signal intensity of neurinoma are not distinguishable with those of meningioma and ependymoma in the spinal canal.
哑铃征及弄清脊髓与肿瘤的关系是MRI诊断椎管内神经鞘膜肿瘤的要点，本组病例哑铃征出现率为42.1％。
The dumbbell-shaped sign and the relationship between spinal cord and tumor are two key points for the diagnosis of neurinomas in the spinal canal with MRI.
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%.
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