Document Detail


Regression of dilated perivascular spaces of the brain.
MedLine Citation:
PMID:  19957183     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE: Perivascular, or Virchow-Robin, spaces of the brain represent interstitial fluid-filled spaces continuous with subpial spaces, and not invagination of cerebrospinal fluid-filled subarachnoid spaces. Regression of a dilated, or even giant, perivascular space occurs rarely. The purpose of this paper is to describe magnetic resonance imaging evidence of complete regression of dilated perivascular spaces (dPVSs).
METHODS: Patient 1 was a 76-year-old woman with right hemiparesis and aphasia from a left cranial vault meningioma infiltrating the superior sagittal sinus, and a left temporal lobe giant perivascular space. Patient 2 was a 70-year-old man with pituitary apoplexy, vasospasm, cerebral ischemia, and two dPVSs, one in the right temporal lobe, and one in the left anterior perforate substance. Patient 3 was a 78-year-old man with a generalized seizure, and a right temporal lobe dPVS.
RESULTS: In all the patients, temporal lobe giant or dPVSs underwent regression, following meningioma subtotal resection (patient 1) or pituitary lesion shrinkage (patient 2), or spontaneously (patient 3). In patient 2, the left anterior perforate substance dPVS was unchanged.
CONCLUSIONS: Temporal lobe giant or dPVSs may regress, eventually together with resection or regression of intracranial tumors, also distant from the PVSs. Cerebral edema does not seem the only factor influencing dilatation of PVSs.
Authors:
Alfonso Cerase; Ignazio Maria Vallone; Carmine Franco Muccio; Carlo Petrini; Giorgio Signori; Carlo Venturi
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Publication Detail:
Type:  Journal Article     Date:  2009-12-03
Journal Detail:
Title:  Surgical and radiologic anatomy : SRA     Volume:  32     ISSN:  1279-8517     ISO Abbreviation:  Surg Radiol Anat     Publication Date:  2010 Jul 
Date Detail:
Created Date:  2010-07-05     Completed Date:  2010-10-19     Revised Date:  2012-04-27    
Medline Journal Info:
Nlm Unique ID:  8608029     Medline TA:  Surg Radiol Anat     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  555-61     Citation Subset:  IM    
Affiliation:
Unità Operativa Complessa di Neuroimmagini e Neurointerventistica, Dipartimento di Neuroscienze, Policlinico "Santa Maria alle Scotte", Azienda Ospedaliera Universitaria Senese, Viale Mario Bracci, 16, 53100, Siena, Italy. alfonsocerase@aliceposta.it
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MeSH Terms
Descriptor/Qualifier:
Aged
Brain / pathology*
Cerebral Ventricles / pathology
Cerebrospinal Fluid
Contrast Media / diagnostic use
Dilatation, Pathologic / pathology,  radiography
Female
Humans
Image Enhancement / methods
Magnetic Resonance Imaging / methods*
Male
Sampling Studies
Sensitivity and Specificity
Subarachnoid Space / pathology*
Tomography, X-Ray Computed / methods
Chemical
Reg. No./Substance:
0/Contrast Media
Comments/Corrections
Comment In:
Surg Radiol Anat. 2012 Apr;34(3):289-90   [PMID:  22160179 ]

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