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Atypical Virchow-Robin SpacesMimicking Cystic Primary Brain Tumor ­ Clinical Report and Literature Review
Picarelli, Helder; Bhering Nepomuceno, Thales; Casal, Yuri; Yamaki, Vitor Nagai; Jacobsen Teixeira, Manoel; Gadelha Figueiredo, Eberval.
  • Picarelli, Helder; Division of Neurosurgery, Instituto do Câncer do Estado de São Paulo. São Paulo. BR
  • Bhering Nepomuceno, Thales; Division of Neurosurgery, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo. São Paulo. BR
  • Casal, Yuri; Division of Anatomical Pathology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo. São Paulo. BR
  • Yamaki, Vitor Nagai; Division of Neurosurgery, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo. São Paulo. BR
  • Jacobsen Teixeira, Manoel; Division of Neurosurgery, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo. São Paulo. BR
  • Gadelha Figueiredo, Eberval; Division of Neurosurgery, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo. São Paulo. BR
Arq. bras. neurocir ; 39(4): 311-316, 15/12/2020.
Article in English | LILACS | ID: biblio-1362346
ABSTRACT
The Virchow-Robin spaces (VRSs), which are often incidentally observed in modern structural neuroimaging examinations, are small cystic cavities that usually surround the small arteries and arterioles at the level of basal ganglia, the anterior perforated substance and the thalamic-mesencephalic junction. Typically, they have similar physicochemical characteristics to cerebral spinal fluid (CSF) and there is no contrast enhancement on brain CT andMRI images. Its real meaning is unknown, although some contemporary studies have suggested that it might be related to certain traumatic brain injury or several other central nervous system (CNS) disorders, as degenerative diseases. Occasionally, some wide and atypical VRS may be mistaken for primary cystic brain tumors, especially in the context of large and symptomatic lesions, multiple clustered cysts, cortical lesions and if there is adjacent reactive gliosis. The present paper reports four patients who were affected by atypical VRS mimicking brain tumors that required imaging follow-up or even a biopsy to confirm the diagnosis or to indicate the correct approach. Although it is not so unusual, one of them occurred concomitantly and adjacent to a diffuse glioma (co-deleted 1p19q, WHO-GII).
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Full text: Available Index: LILACS (Americas) Main subject: Dilatation, Pathologic / Glymphatic System Limits: Adult / Child / Female / Humans / Male Language: English Journal: Arq. bras. neurocir Journal subject: Cirurgia / Neurosurgery Year: 2020 Type: Article Affiliation country: Brazil Institution/Affiliation country: Division of Anatomical Pathology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo/BR / Division of Neurosurgery, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo/BR / Division of Neurosurgery, Instituto do Câncer do Estado de São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Dilatation, Pathologic / Glymphatic System Limits: Adult / Child / Female / Humans / Male Language: English Journal: Arq. bras. neurocir Journal subject: Cirurgia / Neurosurgery Year: 2020 Type: Article Affiliation country: Brazil Institution/Affiliation country: Division of Anatomical Pathology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo/BR / Division of Neurosurgery, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo/BR / Division of Neurosurgery, Instituto do Câncer do Estado de São Paulo/BR