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Central neurocytomas(CN)are rare,usually benign cerebral intraventricular neuroepithelial tumors,which occur in adult patients.Retrospective evaluation of the CT-and MRI-findings in eight cases as well as review of the cases reported in the literature showed that CN usually presents as a primarily slightly hyperdense and/or hyperintense mass within the body of the lateral ventricle with moderate contrast enhancement.The majority of tumors contain both multiple small cysts and calcifications and exhibit a characteristic broad based attachment to the superolateral ventricular wall.We conclude that these criteria appear to be reliable to exclude other intraventricular tumors such as astrocytoma,giant cell astrocytoma, ependymoma,subependymoma,intraventricular oligodendroglioma and meningioma.Preoperative diagnosis of CN may prove of value for planning therapy,because this tumor type seems to have a better prognosis than other intraventricular tumors. |
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calcification,intracranial
CAT scan
CAT scan,abnormal
MRI
MRI,abnormal
MRI,CAT scan compared to
neoplasm,primary of CNS
neoplasm,primary of CNS-intraventricular
neurocytoma
review article
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