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Elastic-van Gieson silver impregnations, showing dural arterioles completely occluded by collagen, as outlined by black elastica remnants (A, B; 200×); focally patent dural (C, 100×) and penetrating intrasulcal (D, F; 100×) arterioles (blue stars) are associated with necrosis (n) of subjacent cerebral cortex (C–F), delineated by asterisks (*) from adjacent nonviable mummified cortex (m) (D–F; E, 200×).
