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Arq. neuropsiquiatr ; 64(3b): 794-797, set. 2006. ilus
Article in Portuguese, English | LILACS | ID: lil-437151

ABSTRACT

Os meningeomas são neoplasias derivadas das células aracnóideas, sendo sua origem ligada a alterações genéticas idiopáticas (deleção do braço longo do cromossomo 22), doenças predisponentes à sua formação e indução por radioterapia. Relata-se o caso de um homem de 50 anos com meningeoma pós-radioterapia diagnosticado 20 anos após o tratamento de um oligodendroglioma. Os critérios que suportam o diagnóstico de meningeoma induzido por radioterapia são discutidos, assim como é revisada a literatura pertinente ao assunto.


Meningiomas are neoplasms derived from arachnoid cells with their origin linked to idiopathic genetic abnormalities (delection of the long arm of chromosome 22), predisposing diseases and radiotherapy induction. We report the case of a 50 years-old man radiation-induced meningioma 20 years after the diagnosis, surgical and radiation treatment of an oligodendroglioma. The supporting diagnostic criteria of radiation-induced meningiomas are discussed and the pertinent literature of the theme is revised.


Subject(s)
Humans , Male , Middle Aged , Cranial Irradiation/adverse effects , Meningeal Neoplasms/etiology , Meningioma/etiology , Neoplasms, Radiation-Induced , Magnetic Resonance Imaging , Meningeal Neoplasms/diagnosis , Meningeal Neoplasms/surgery , Meningioma/diagnosis , Meningioma/surgery , Neoplasms, Radiation-Induced/diagnosis , Neoplasms, Radiation-Induced/surgery , Oligodendroglioma/radiotherapy , Prognosis , Tomography, X-Ray Computed
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