Non-neoplastic intracranial cystic lesions: not everything is an arachnoid cyst

Intracranial cystic lesions are common findings on neuroimaging examinations, arachnoid cysts being the most common type of such lesions. However, various lesions of congenital, infectious, or vascular origin can present with cysts. In this pictorial essay, we illustrate the main causes of non-neopl...

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Bibliographic Details
Published in:Radiologia brasileira 2021, Vol.54 (1), p.49-55
Main Authors: Pereira, Ronaldo Gonçalves, Ribeiro, Bruno Niemeyer de Freitas, Hollanda, Rafael Teixeira de Lima, de Almeida, Letícia Baldez, Simeão, Thalita Baptista, Marchiori, Edson
Format: Article
Language:English
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RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
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Summary:Intracranial cystic lesions are common findings on neuroimaging examinations, arachnoid cysts being the most common type of such lesions. However, various lesions of congenital, infectious, or vascular origin can present with cysts. In this pictorial essay, we illustrate the main causes of non-neoplastic intracranial cystic lesions, discussing their possible differential diagnoses as well as their most relevant imaging aspects.
ISSN:0100-3984
1678-7099
1678-7099
DOI:10.1590/0100-3984.2019.0144