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The following is a simplified version of the last WHO classification of the tumors of the central nervous system. 〔 Louis DN, Ohgaki H, Wiestler OD, Cavenee WK (eds) (2007). ''World Health Organization Classification of Tumours of the Central Nervous System''. IARC, Lyon ISBN 92-832-2430-2. This is the last (2007) WHO classification. On the Internet at the URL http://www.brainlife.org/classification.htm are the previous WHO classifications. Accessed on 2010-12-31.〕 For each tumor there are the WHO official name, the ICD-O code〔 (ICD-0-3 SEER SITE/HISTOLOGY VALIDATION LIST ). Accessed on 2009-07-12.〕 (with Arabic numeral, where /0 indicates "benign" tumor, /3 malignant tumor and /1 borderline tumor), and with Roman numeral the WHO Grade (a parameter connected with the "aggressiveness" of the tumor).〔See the article Grading of the tumors of the central nervous system.〕 ==1. Tumours of neuroepithelial tissue== :1.1. Astrocytic tumours (Astrocytomas, a type of brain tumor) ::1.1.1 Pilocytic astrocytoma (ICD-O 9421/1, WHO grade I) :::1.1.1a ''Pilomyxoid astrocytoma'' (ICD-O 9425/3, WHO grade II) ::1.1.2 Subependymal giant cell astrocytoma (ICD-O 9384/1, WHO grade I) ::1.1.3 Pleomorphic xanthoastrocytoma (ICD-O 9424/3, WHO grade II) ::1.1.4 Diffuse astrocytoma (ICD-O 9400/3, WHO grade II) ::1.1.5 Anaplastic astrocytoma (ICD-O 9401/3, WHO grade III) ::1.1.6.Glioblastoma (ICD-O 9440/3, WHO grade IV) :::1.1.6a ''Giant cell glioblastoma'' (ICD-O 9441/3, WHO grade IV) :::1.1.6b ''Gliosarcoma'' (ICD-O 9442/3, WHO grade IV) ::1.1.7 Gliomatosis cerebri (ICD-O 9381/3, WHO grade III) :1.2. Oligodendroglial tumours ::1.2.1 Oligodendroglioma (ICD-O 9450/3, WHO grade II) ::1.2.2 Anaplastic oligodendroglioma (ICD-O 9451/3, WHO grade III) :1.3. Oligoastrocytic tumours ::1.3.1 Oligoastrocytoma (ICD-O 9382/3, WHO grade II) ::1.3.2 Anaplastic oligoastrocytoma (ICD-O 9382/3, WHO grade III) :1.4. Ependymal tumours ::1.4.1 Subependymoma (ICD-O 9383/1, WHO grade I) ::1.4.2 Myxopapillary ependymoma (ICD-O 9394/1, WHO grade I) ::1.4.3 Ependymoma (ICD-O 9391/3, WHO grade II) ::1.4.4 Anaplastic ependymoma (ICD-O 9392/3, WHO grade III) :1.5. Choroid plexus tumours ::1.5.1 Choroid plexus papilloma (ICD-O 9390/0, WHO grade I) ::1.5.2 Atypical choroid plexus papilloma ( ICD-O 9390/1, WHO grade II) ::1.5.3 Choroid plexus carcinoma (ICD-O 9390/3, WHO grade III) :1.6. Other neuroepithelial tumours ::1.6.1 Astroblastoma (ICD-O 9430/3, WHO grade I) ::1.6.2 Chordoid glioma of the third ventricle (ICD-O 9444/1, WHO grade II) ::1.6.3 Angiocentric glioma (ICD-O 9431/1, WHO grade I) :1.7. Neuronal and mixed neuronal-glial tumours ::1.7.1 Dysplastic gangliocytoma of cerebellum (Lhermitte-Duclos) (ICD-O 9493/0) ::1.7.2 Desmoplastic infantile astrocytoma/ganglioglioma (ICD-O 9412/1, WHO grade I) ::1.7.3 Dysembryoplastic neuroepithelial tumour (ICD-O 9413/0, WHO grade I) ::1.7.4 Gangliocytoma (ICD-O 9492/0, WHO grade I) ::1.7.5 Ganglioglioma (ICD-O 9505/1, WHO grade I) ::1.7.6 Anaplastic ganglioglioma (ICD-O 9505/3, WHO grade III) ::1.7.7 Central neurocytoma (ICD-O 9506/1, WHO grade II) ::1.7.8 Extraventricular neurocytoma (ICD-O 9506/1, WHO grade II) ::1.7.9 Cerebellar liponeurocytoma (ICD-O 9506/1, WHO grade II) ::1.7.10 Papillary glioneuronal tumour (ICD-O 9509/1, WHO grade I) ::1.7.11 Rosette-forming glioneuronal tumour of the fourth ventricle (ICD-O 9509/1, WHO grade I) ::1.7.12 Paraganglioma (ICD-O 8680/1, WHO grade I) :1.8. Tumours of the pineal region ::1.8.1 Pineocytoma (ICD-O 9361/1, WHO grade I) ::1.8.2 Pineal parenchymal tumour of intermediate differentiation (ICD-O 9362/3, WHO grade II, III) ::1.8.3 Pineoblastoma (ICD-O 9362/3, WHO grade IV) ::1.8.4 Papillary tumors of the pineal region (ICD-O 9395/3, WHO grade II, III) :1.9. Embryonal tumours ::1.9.1 Medulloblastoma (ICD-O 9470/3, WHO grade IV) :::1.9.1b ''Medulloblastoma with extensive nodularity'' (ICD-O 9471/3, WHO grade IV) :::1.9.1c ''Anaplastic medulloblastoma'' (ICD-O 9474/3, WHO grade IV) ::1.9.2. CNS Primitive neuroectodermal tumour (ICD-O 9473/3, WHO grade IV) :::1.9.2a ''CNS Neuroblastoma'' (ICD-O 9500/3, WHO grade IV) ::1.9.3 Atypical teratoid/rhabdoid tumour (ICD-O 9508/3, WHO grade IV) 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「WHO classification of the tumors of the central nervous system」の詳細全文を読む スポンサード リンク
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