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- 大脑镰旁肿物
Overall the features are that of a WHO grade I (capillary) hemangioblastoma. Characteristic stromal cells are seen in figure 7, while the remaining cells have clear or vacuolated cytoplasm between abundant sinusoidal or capillary vessels. The only differential diagnosis is microcystic meningioma. GFAP-positive, S100-negative, and EMA-negative are good for hemangioblastoma and not good for meningioma. Chordoid meningioma's characteristic features are cords of epithelioid neoplastic cells in abundant myxoid background. The cytoplasm of neoplastic cells is not vacuolated or clear.
聞道有先後,術業有專攻
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WindTalker 离线
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Overall the features are that of a WHO grade I (capillary) hemangioblastoma. 上述所有的特点都表明这是一例(毛细血管型)血管母细胞瘤,WHO I级. ,Characteristic stromal cells are seen in figure 7, while the remaining cells have clear or vacuolated cytoplasm between abundant sinusoidal or capillary vessels. ;图7有特征性的间质细胞,其它的图显示丰富的毛细血管和血窦之间的间质细胞有透明或空泡性的胞浆.The only differential diagnosis is microcystic meningioma. 唯一需要鉴别的是微囊性脑膜瘤,GFAP-positive, S100-negative, and EMA-negative are good for hemangioblastoma and not good for meningioma. 免疫组化显示GFAP-阳性, S100-阴性, and EMA-阴性,这些都表达肿瘤是血管母细胞瘤,并非脑膜瘤, Chordoid meningioma's characteristic features are cords of epithelioid neoplastic cells in abundant myxoid background. 脊索瘤样脑膜瘤显示在丰富的粘液性背景中有上皮样瘤细胞团,The cytoplasm of neoplastic cells is not vacuolated or clear.脊索瘤样脑膜瘤的瘤细胞其胞浆并非空泡状,也不透明.
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longlailiao 离线
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liangjinjun 离线
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