结论恶性肌上皮瘤是一种上皮性肿瘤，其亚型透明细胞型恶性程度较高。
Conclusions The malignant myoepithelioma was epithelial tumour. The malignant grade of clear cell type was higher.
结果根据肿瘤性肌上皮细胞形态特征将其分为上皮细胞型、梭形细胞型、透明细胞型和类浆细胞型。
Results Neoplastic myoepithelial cells could be divided into epithelial, spindle, clear and plasmacytoid (hyaline) types according to their morphological characteristics.
良性中上皮型3例，砂粒体型4例，纤维型5例，过渡型2例，血管瘤型2例，透明细胞型及化生型各1例。
Among the benign cases, 3 were meningothelial, 4 psammomatous, 5 fibrous, 2 angiomatous, 1 clear cell and Imetaplastic variants.
在透明细胞脑膜瘤中胞浆空泡状是因为富含糖原（PAS阳性），而不是像微囊型脑膜瘤这样。
The vacuolated cytoplasm in clear cell meningiomas is glycogen-rich (PAS-positive), but not that of microcystic meningioma.
在透明细胞脑膜瘤中胞浆空泡状是因为富含糖原（PAS阳性），而不是像微囊型脑膜瘤这样。
The vacuolated cytoplasm in clear cell meningiomas is glycogen-rich (PAS-positive), but not that of microcystic meningioma.
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