GIANT-CELL TUMOR OF THE CALVARIA IN A CHILD - CASE-REPORT

A giant cell tumor involving the vertex of the skull is described in a 3-year-old child with no history of head trauma. The mass was present approximately 4 months prior to resection. Microscopically, the lesio n consisted of highly cellular tissue composed of oval to spindle-shap ed stromal cells admired with numerous multinucleated giant cells. Gia nt cell tumor of the skull is a rare lesion, usually involving the sph enoid or temporal bone in adults. The differential diagnosis is discus sed with reference to the literature regarding giant cell lesions, esp ecially of the cranium. The authors are unaware of previous reports of a similar lesion in this location in such a young child.