Abstract
Operative treatment of otosclerosis is attracting considerable interest, but the operative technic by the endaural route as well as by the posterior approach has been so trying and exhausting, the operation often lasting from three to five hours or more, that many aurists have been discouraged from attempting to settle its value for themselves. Whether operative treatment of the disease will be generally accepted will be known only after more extensive use and experimentation. Canfield1is especially to be commended on his recent experiments with labyrinthine fistulas. I wish to describe a postauricular approach with little or no disturbance of the middle ear, which is reasonably simple to perform, giving an excellent opening in the horizontal semicircular canal by means of an instrument which gives greater ease of control than a gouge or a chisel and which I believe will be more acceptable to most operators than an electric burr.

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