Abstract
A technique for repairing small to medium-sized defects in the osseous posterior superior canal resulting from pathologic or iatrogenic causes is described. Bone pate is harvested from the mastoid cortex by means of a simple collection technique. A sandwich graft composed of autologous temporalis fascia lined with bone pate is used to fill in the canal wall defect. This technique has been used successfully in 27 of 28 cases, with follow-up as long as 8 years. When fully healed, the bone graft has attained the texture and consistency of the normal osseous canal and, if necessary, can be curetted or drilled for reshaping during planned second-stage tympanomastoid surgery. The temporalis fascia/bone pate graft technique is simple, easy to learn, and has proven to be a reliable method for repairing the defects described.
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