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Most studies of clinically relevant cerebral edema emphasize the effect of added tissue fluid in white matter on gross distortion with transtentorial and subfalcine brain herniation. Our recent studies on altered tissue fluid compartmentation in cerebral gray matter suggest that significant microdistortion of relationships of capillaries to subserved tissue(More)
A leptomeningeal cyst is a posttraumatic arachnoid cyst or pseudomeningocele associated with an expansile calvarial defect at the original site of fracture [1]. These occur infrequently in adulthood, and involvement of the skull base is extremely rare. We represent the case of a large posttrau-matic leptomeningeal cyst of the sphenoid bone that appeared(More)
The intact cerebral cortices of cats were exposed in vivo under normothermic conditions and superfused with isotonic artificial cerebrospinal fluid containing added 0.125 mM adenosine. This resulted in chloridecation-rich cerebrocortical swelling which was shown by electron microscopy to be associated with an expanded astroglial compartment. The addition of(More)
Histochemical, electron microscopic, and morphometrical techniques were employed in the determination of the effects attributed to K+-induced cerebrocortical swelling on cat cerebrocortical capillary diameter, length, surface area, volume, and minimal intercapillary distance. Bilaterally exposed and intact temporoparietal cerebral cortices of 4 conditioned(More)
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