AT THIS stage in the evolution of the labyrinth fenestration operation for otosclerosis it is, fortunately, unnecessary to advance statistics to prove that the operation is successful in a sufficiently high percentage of cases to make it a valuable therapeutic procedure. Most of those otologists who have either participated in performing this operation or have kept themselves informed on the technical advances and results obtained have considered this development the outstanding advance in modern otology. It is rare indeed to find, at the present time, one who, having familiarized himself with the various features of the operation, its indications and results, will, through unreasonable skepticism, continue to condemn it.
The general surgical technic, its modifications by various otologic surgeons, the operative indications and, in general, the results that have been obtained by the various operators are familiar topics to all otologists and will not be reviewed in this presentation. It