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Related to perivascular space: Lacunar Infarct
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Moreover, silent CSVD, which is usually ignored, is characterized by white matter lesions (WMLs), enlarged perivascular spaces (EPVSs), lacunar infarcts (LIs), and cerebral microbleeds (CMBs).
Extension within and along perivascular spaces is another typical mode of infiltration, but invasion of the vessel lumen seems to occur infrequently (9,10).
In rat myocardium of WKY control group and WKY +30 mg/kg OMT group, little amount of collagen was found in the interstitial and perivascular space.
The B-Plex atraumatic 30-degree bevel allows for easy identification of the perivascular space by the distinctive "click" felt on piercing the perivascular sheath.
The major maturational landmark in the immune system during adolescence is thymic involution, characterized by a dramatic decrease in thymic tissue mass, primarily involving the perivascular space (83), a decrease in the production of new thymocytes, and an increase in the [CD4.
Among the substances which may thus invade the brain are cells and antibodies of the immune system; inflammation then begins in the perivascular space.
The initial interpreting radiologist thought it might represent an incidental dilated perivascular space (Virchow Robin) space.
The signs of sludge-phenomenon were registered in small vessels together with the accumulation of liquid blood components in perivascular space (Figure 2).
After CAL, there was a large accumulation of collagen in the interstitial and perivascular space of ventricle in model rats.
Perivascular space in the intracerebral arteries is extended in the majority of cases.
In a porcine model of coronary artery balloon angioplasty, Okamoto et al (23) showed that the inflammatory response not only involved the entire perivascular space but also extended several millimeters beyond the vessel wall itself.
Infection spreads along three primary routes: via the retrovisceral space (71% of all cases), the perivascular space (20%), and the pretracheal space (7%).

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