Orbital leiomyoma: A case report

Purpose: Leiomyoma is a benign tumor derived from smooth muscle, most frequ ently occurring in the uterus and gastrointestinal system. This report disc usses clinical and pathologic findings in a 56-year-old man with orbital le iomyoma. Methods: Case review. Results: A lateral orbitotomy was performed. Immunohistochemical staining f or actin and desmin was positive result. There was no evidence of recurrenc e during a two-year follow-up interval. Conclusions: Leiomyoma is a benign tumor of low incidence because there is little smooth muscle in the orbit. The differential diagnosis must include any fully encapsulated orbital tumor. Prognosis after surgical excision is favorable.