I. THE LITERATURE
HISTORICAL SURVEY
Oppenheim,1 in 1899, reported a case of acute nonpurulent encephalitis associated with an acute exacerbation of bilateral chronic otitis media in which the patient recovered without surgical intervention. Oppenheim mentioned that previously he had reported five other cases in which the patient died after unsuccessful exploration for abscess of the brain. He expressed the belief that in cases of this type recovery tends to occur without operation, although in the case presented there were paresis of part of the facial nerve and paresis and paresthesia of the right hand six months after recovery. He expressed the belief that these cases fall into a typical group, in which the characteristics of the condition are motor aphasia and monoplegia faciobrachialis dextra. Oppenheim observed encephalitic scarring in the posterior part of the third left frontal convolution and in the foot of the anterior central convolution in the cases