腘窝肿块是最常见的腘窝滑膜囊肿，但是腘窝神经鞘瘤也是需要考虑的一种疾病。
The most likely cause of a popliteal mass is a Baker's cyst, but one must consider soft tissue tumors also.
目的提高对盆腔神经鞘膜瘤诊断与治疗的认识。
Objective To improve the diagnosis and management of peripheral nerve sheath tumor of the pelvic.
术后病理诊断：神经鞘瘤15例，脊膜瘤5例，转移性腺癌1例。
Postoperative pathological diagnosis revealed 15 neurinomas, 5 spinal meningiomas and 1 metastatic adenocarcinoma.
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%.
结论微创脊神经根鞘膜切开减压术能迅速缓解腰椎间盘突出症所致患肢肢端麻木和根性疼痛，加快神经功能恢复。
Conclusions Minimally invasive spinal nerve root sheath incision and decompression can give a prompt relief from limb numbness and radiculalgia, improving the recovery of nervous system.
眼动脉在视神经管内穿行于视神经的硬膜鞘壁内，其分支多行于视神经的腹侧。
In optic canal, ophthalmic artery went into optic nerve sheath, its branches passed through inferior part of optic nerve.
眼动脉在视神经管内行走于视神经硬膜鞘下壁内。
The ophthalmic artery was located on the inferior wall of dura.
本文报告了视神经鞘膜减压术治疗视神经挫伤。
The optic sheath decompression for treating optic contusion was reported.
结论：脊神经根鞘膜切开减压，能迅速缓解腰椎间盘突出症病人术后患足(趾)的麻木症状。
Conclusions: Incision of the sheath of Schwann of lumbar spinal nerve root could alleviate the symptom of numbness in foot or toe in the patients with lumbar disc protrusion.
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.
结果髓外肿瘤34例，以神经鞘瘤和脊膜瘤为主；髓内肿瘤5例。
Results Extramedullary tumors were found in 34 cases, mainly including neurinoma and meningioma, and intramedullary tumors in 5 cases.
组织病理性质为神经鞘膜瘤。
The tumor was proved to be schwannomas by pathological test.
通过外周神经切片观察发现，在神经束与其外面的神经束膜之间，存在由神经束细胞构成的上皮细胞鞘。
It has been observed microscopically, With sections of peripheral nerve, that there is an epithelial neurilemma consisting of nerve-tract cells between nerve-tract and the surrounding membrane.
探讨髓外硬膜下神经鞘瘤MR增强影像特征及其与病理的相关性。
Our study was disigned to evaluate the features of the enhanced MRI in subdural extramedullary neurinoma and the correlation between its enhanced MRI and pathologic findings.
结果椎管内硬膜外蛛网膜囊肿4例，骶管内蛛网膜囊肿4 2例，神经鞘膜囊肿10例，椎管内硬膜下蛛网膜囊肿3例。
Results On MRI, extradural arachnoid cyst was demonstrated in 4, sacral arachnoid cyst in 42, extradural arachnoid neurilemma cyst in 10 and spinal subdural arachnoid cyst in 3 cases.
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.
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.
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