OBJECTIVE: To describe the surgical technique of mastoid cortex plasty using bone pate and its clinical significance. STUDY DESIGN: Retrospective. SETTING: Tertiary medical center. METHODS: Bone pate collected while drilling the mastoid cortex was mixed with fibrin glue to make a pate plate. The mastoid cortex defect was closed with a pate plate cut to the desired shape and size. PATIENTS AND MAIN OUTCOME MEASURES: Mastoid cortex plasty was included in the first-stage operation in 49 patients who underwent staged tympanoplasty. The second-stage operation was an inspection to see whether the mastoid cortex was reconstructed and the ingrowth of fibrous soft tissue was prevented. RESULTS: In 35 patients, the mastoid cortex was reconstructed completely, and soft tissue ingrowth into the mastoid cavity was blocked completely. In the remaining 14 patients, a defect of varying size occurred at the site of drainage-tube insertion. This defect was small enough to prevent soft tissue ingrowth into the mastoid cavity. CONCLUSION: Mastoid cortex plasty is a simple and rapid procedure for preventing postoperative deformity of the mastoid process and is valuable for restoring mastoid cavity function.
OBJECTIVE: To describe the surgical technique of mastoid cortex plasty using bone pate and its clinical significance. STUDY DESIGN: Retrospective. SETTING: Tertiary medical center. METHODS: Bone pate collected while drilling the mastoid cortex was mixed with fibrin glue to make a pate plate. The mastoid cortex defect was closed with a pate plate cut to the desired shape and size. PATIENTS AND MAIN OUTCOME MEASURES: Mastoid cortex plasty was included in the first-stage operation in 49 patients who underwent staged tympanoplasty. The second-stage operation was an inspection to see whether the mastoid cortex was reconstructed and the ingrowth of fibrous soft tissue was prevented. RESULTS: In 35 patients, the mastoid cortex was reconstructed completely, and soft tissue ingrowth into the mastoid cavity was blocked completely. In the remaining 14 patients, a defect of varying size occurred at the site of drainage-tube insertion. This defect was small enough to prevent soft tissue ingrowth into the mastoid cavity. CONCLUSION: Mastoid cortex plasty is a simple and rapid procedure for preventing postoperative deformity of the mastoid process and is valuable for restoring mastoid cavity function.