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首页> 外文期刊>Brain Tumor Pathology >Histopathological study of spinal meningioma originating from the arachnoid villi
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Histopathological study of spinal meningioma originating from the arachnoid villi

机译：源自蛛网膜绒毛的脊髓型脑膜瘤的组织病理学研究

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Although the histogenesis of meningiomas remains unclear, it is believed that arachnoid cells are the most likely origin of this type of neoplasm. Further, little attention has been paid to the histopathology of spinal meningiomas arising from the arachnoid villi. We came across a case of spinal meningioma that was locally attached to the arachnoid membrane. The associated arachnoid villi were investigated by light microscopy and immunohistochemical analysis. We confirmed the presence of tumor cells under the fibrous capsule that forms the outer component of the arachnoid villi. Tumor cells grew out from the apical portion of the arachnoid villi. Furthermore, immunohistochemical study suggested that arachnoid cells made the transition to tumor cells on the arachnoid cell layer.
机译：尽管脑膜瘤的组织发生机制尚不清楚，但据信蛛网膜细胞是这类肿瘤的最可能起源。此外，很少关注由蛛网膜绒毛引起的脊髓性脑膜瘤的组织病理学。我们遇到了一个局部附着于蛛网膜的脊髓性脑膜瘤病例。通过光学显微镜和免疫组化分析研究了相关的蛛网膜绒毛。我们证实了在形成蛛网膜绒毛外部成分的纤维囊膜下存在肿瘤细胞。肿瘤细胞从蛛网膜绒毛的顶端部分长出。此外，免疫组织化学研究表明，蛛网膜细胞在蛛网膜细胞层上过渡到肿瘤细胞。

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