microscopic examination of the white matter showed the association of the following lesions : oedema , swollen oligodendroglia , spongiosis , incomplete loss of myelin , astrocytic gliosis with rosenthal 's fibers , widening of the perivascular spaces with oedema fluid or hemosiderin laden macrophages , thickening and hyalinization of the blood vessels walls .
C0038999
swollen
C0013604
oedema