腫瘍内出血を来たしたPNETの2例
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概要
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Rare two cases of hemorrhagic PNET are reported. The first patient was one years old boy with the tumor located parietal lobe whose preliminary diagnosis was head trauma. Histological examination showed malignant and predominantly undifferentiated with evidence of focal attempts to differentiate along glial and neuronal lines. Cell culture showed glia differentiation .The second patient was an 73 years old woman whose tumor located in the fronttemporal lobe. She presented hemorrhage during radiotherapy followed tumor partial resection. Histologically,the hemorrhagic mechanism of PNET showing tumor necrosis and hemorrhagic infarction was suspected by vessel invasion, increasing of vascular permeability.
- 近畿脳腫瘍病理検討会の論文
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