in every case of meningitis , and furthermore in recurrent in cases of meningitis , it is essential to examine not only the eardrum but also hearing and , when there is a deafness , tomographic shots should be taken of the labyrinth to look for a malformation of the internal auditory canal or the cochlea so as to detect the portal of entry for the infection and to be able to close it surgically .
C0022889
labyrinth
C0222711
internal auditory canal