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Recurring osteoma within a calcium phosphate bone cement cranioplasty: case report.

Recurring osteoma within a calcium phosphate bone cement cranioplasty: case report. Neurosurgery Hayden, M. G., Guzman, R., Dulai, M. S., Mobley, B. C., Edwards, M. S. 2009; 64 (4): E775-6

Abstract

We present a unique case of a recurrent osteoma within a cranioplasty performed with calcium phosphate bone cement.The patient is a 7-year-old boy who had initially undergone a craniotomy for resection of a frontal cranial tumor followed by a cranioplasty with artificial bone matrix. On routine follow-up evaluation 2 years later, the patient had a mass expanding from the cranioplasty.At the time of reoperation, the patient was found to have a histopathologically confirmed recurrent osteoma within the artificial bone matrix. The patient later underwent repair of the frontal cranial defect using a patient-specific implant.We discuss this unusual case, treatment, and possible causes. We believe that a safety margin and curettage of the resection border as well as resection of the overlying periosteum might prevent recurrence.

View details for DOI 10.1227/01.NEU.0000339126.47870.43

View details for PubMedID 19349808