CASE HISTORYA male,agcd 48,presented on 10 July,1979,complaining of facial paralysis of 6 monthsduration.On the morning of 2 January,1979,he woketo find signs of right facial paralysis:numbnessand stiffness of the right cheek,leftward devia-tion of left corner of his mouth,inability to closehis right aye and knit his right brow,and painsover his right ear.He was diagnosed in a hos-pital as having facial paralysis of peripheral