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Rare Recurrent Giant Frontal Osteoma With Skin Multiple Keratinous Cysts and Multinucleated Giant Cell Granulomas
Huiling Deng1, Shuyi Peng2, Fan Wu1
1Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology.
Background:
Osteoma is the most common benign tumor of the craniomaxillofacial region. Its etiology remains unclear, and the computed tomography and histopathologic examination contribute to its diagnosis. There are very rare reports of recurrence and malignant transformation after surgical resection. Furthermore, giant frontal osteomas that occurred repeatedly and were accompanied by skin multiple keratinous cysts and multinucleated giant cell granulomas have not been reported in previous literature.
Methods:
The previous cases of recurrent frontal osteoma in the literature and all cases of frontal osteoma in our department in the last 5 years were reviewed.
Results:
A total of 17 cases of frontal osteoma (mean age 40 y, all female) were reviewed in our department. All patients underwent open surgery to remove the frontal osteoma, and no evidence of complications was found during postoperative follow-up. Two patients underwent 2 or more operations due to the recurrence of osteoma.
Conclusions:
Two cases of recurrent giant frontal osteoma were reviewed emphatically in this study, including 1 case of giant frontal osteoma with skin multiple keratinous cysts and multinucleated giant cell granulomas. As far as we know, this is the first giant frontal osteoma that occurred repeatedly and was accompanied by skin multiple keratinous cysts and multinucleated giant cell granulomas.
