Congenital interstitial encephalitis (EI; English congenital interstitial encephalitis; also Virchow-Lenrik and Schneider's disease) is an inflammatory disease of the brain, which is characterized by the presence of pathological areas in the white matter of the cerebral hemispheres, of a non-inflammatory nature.
Encephalitis is a group of acute inflammatory diseases of the brain of various etiologies, caused mainly by viruses or combined viral-bacterial or only bacterial infectious agents with low activity of the recipient’s immune system. There are local, focal (focal), widespread and generalized encephalitis. The classification includes the heading “Hypoxic” - non-inflammatory brain lesions during the period of tissue hypoxia in newborns during an unfavorable pregnancy in the mother or during childbirth.