CC BY-NC-ND 4.0 · Arquivos Brasileiros de Neurocirurgia: Brazilian Neurosurgery 2021; 40(02): e174-e178
DOI: 10.1055/s-0040-1722247
Case Report | Relato de Caso

Extracerebral Pterional Metastasis from Malignant Meningioma: A Case Report

Metástase pterional extracerebral de meningioma maligno: Relato de caso
Edmundo Luís Rodrigues Pereira
1   Department of Neurosurgery, Universidade Federal do Pará, Guamá, Belém, PA, Brazil
,
2   Instituto de Ciências da Saúde, Faculdade de Medicina, Universidade Federal do Pará, Guamá, Belém, PA, Brazil
,
2   Instituto de Ciências da Saúde, Faculdade de Medicina, Universidade Federal do Pará, Guamá, Belém, PA, Brazil
› Author Affiliations

Abstract

Anaplastic or malignant meningiomas that are classified as World Health Organization (WHO) grade III account for less than 1% of all meningiomas diagnosed. Despite the aggressive course, distant metastases are a rarity, occurring in only 0.1% to 0.2% of cases. We report the case of a 56-year-old woman who presented with parasagittal benign meningioma that underwent malignant transformation along with metastasis into the right orbitosphenoid region. The clinical, radiological, and histopathological aspects are highlighted, with an emphasis on the natural history of meningiomas.

Resumo

Meningiomas anaplásicos ou malignos classificados como grau III da Organização Mundial da Saúde (OMS) representam menos de 1% de todos os meningiomas diagnosticados. Apesar do curso agressivo, as metástases à distância são raras, ocorrendo em apenas 0,1% a 0,2% dos casos. Relatamos o caso de uma mulher de 56 anos que apresentou meningioma benigno parassagital que sofreu transformação maligna e metástase para a região orbito esfenoidal direita. São destacados os aspectos clínicos, radiológicos e histopatológicos, com destaque para a história natural dos meningiomas.



Publication History

Received: 09 July 2020

Accepted: 16 November 2020

Article published online:
15 February 2021

© 2021. Sociedade Brasileira de Neurocirurgia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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