Case 6 Case 6. Differentiating them from foci of encephalomalacia that result from chronic lacunar infarcts can be challenging but is important as imaging findings of ischemia can lead to patients being put on medication such as antiplatelet therapy.
They are almost invariably asymptomatic, even when quite large. Giant tumefactive perivascular spaces. Some error has occurred while processing your request. The authors report no conflicts of interest. You currently have no recent searches. Previously, perivascular spaces were believed to be entirely incidental findings, mostly significant so as not to be mistaken for a more sinister pathology.
These abscesses showed restricted diffusion on the diffusion-weighted images on the initial magnetic resonance imaging. Unable to process the form.
Edit article Share article View revision history. Please enable scripts and reload this page. On axial imaging, they appear as smoothly demarcated fluid-filled cysts, typically less than 5 mm in diameter, showing the same attenuation or intensity as CSF, and often found in the basal ganglia or midbrain.
You can save articles, manage email alerts, and easy revisit frequent searches. Your Name: Case 2: Perivascular spaces , also known as Virchow-Robin spaces , are pial-lined interstitial fluid-filled spaces in the brain that surround perforating vessels.
Advanced Search. If you're not a subscriber, you can: Most commonly, perivascular spaces are located in the lower half of the basal ganglia , especially in the anterior perforated substance along the line of the anterior commissure 3. Case 12 Case 12. Sign Up.
Subscribe Register Login. Send a copy to your email.
A New Folder. Log in to view full text. Case 7 Case 7. They are also found in 1:. Journal Logo. Quiz questions.