Suprasellar Anaplastic Meningioma Masquerading As Craniopharyngioma: A Case Report
نویسندگان
چکیده
Anaplasia is defined by morphologic features of frank malignancy exceeding those present in atypical meningioma. Those features include obvious malignant cytomorphology (resembling carcinoma, melanoma or sarcoma), or a high mitotic index with more than 20 mitoses per 10 high-power fields [1]. Anaplastic meningiomas exhibit an aggressive clinical course including rapid growth, local recurrence, metastasis and poor prognosis. They are often fatal with a median survival of 1.5 years [2].
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