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anaplastic astrocytoma : ウィキペディア英語版 | anaplastic astrocytoma
Anaplastic astrocytoma is a rare WHO grade III type of astrocytoma, which is a type of cancer of the brain. In the United States, the annual incidence rate for Anaplastic astrocytoma is 0.44 per 100,000 persons 〔http://www.medmerits.com/index.php/article/malignant_astrocytomas/P6〕 ==Pathology== Anaplastic astrocytomas fall under the category of high grade gliomas (WHO grade III-IV), which are pathologically undifferentiated gliomas that carry a poor clinical prognosis. Unlike glioblastomas(WHO grade IV), anaplastic astrocytomas lack vascular proliferation and necrosis on pathologic evaluation.〔http://www.pathologyoutlines.com/topic/cnstumoranaplasticastrocytoma.html〕 Compared to grade II tumors, anaplastic astrocytomas are more cellular, demonstrate more atypia, and mitoses are seen.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「anaplastic astrocytoma」の詳細全文を読む
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