[Chondroblastoma of the temporal bone. Apropos of a case]

A case of temporal bone chrondroblastoma is reported. The presenting symptom was a serious otitis. The finding on physical examination was partial facial palsy. The tumor was removed through a middle fossa approach. Chondroblastoma is a rare tumor that represents 1% of all primary bone tumors. In the temporal bone only 34 cases have been reported. The histologic diagnostic should be difficult. Radical excision is suggested regarding its tendency to recur.