Surgical management and outcome of large orbitocranial osteomas.

OBJECT The goal of this study is to review the surgical management and outcome of patients who were treated for large orbitocranial osteomas at Gulhane Military Medical Academy over a period of 7 years. METHODS Twenty-one patients with large orbitocranial osteomas were evaluated retrospectively. All patients were male and between 19 and 25 years old. Surgery was performed in all patients. The main surgical procedure was resection of the osteoma using orbitotomy and/or craniotomy followed by orbital reconstruction and cranioplasty. Cranioplasty was performed in 16 patients, using methyl methacrylate in 5 patients (31%) and porous polyethylene in 11 patients (69%). Thin, flexible, porous polyethylene was preferred for orbital reconstruction in 10 patients. The cranioplasty materials were attached to the intact bone using miniplates. RESULTS There were no severe postoperative complications. Mild transient periorbital ecchymosis was noted in 19 patients. The mean follow-up period was 11.7 months (range 9-24 months) after surgery. No tumor regrowth was observed in any patient at the end of the follow-up period. CONCLUSIONS Large osteomas of the orbitocranial region must be resected for cosmetic and functional reasons. Selection and planning of the surgical technique should be based on the direction of the tumor growth and on the size of the tumor and the structures that are compressed by the tumor.

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