猪捷申病毒性脑脊髓炎伴有胶质增生和血管周围套状浸润

Multifocal blood vessels are cuffed by up to 6-cell thick concentric layers of mononuclear cells, chiefly lymphocytes and plasma cells, and there is an increased number of glial cells within the neuropil, focally forming a glial nodule between affected vessels.