OSTEOMA OF THE SKULL

Abstract

As far as I know, no comprehensive treatise on the subject of bony tumors of the skull, and their relationship to underlying endotheliomas, has yet appeared. Sporadic cases of cranial osteoma and hyperostosis, sometimes with, and sometimes without, this associated pathologic condition, have been reported; but these are frequently found under obscure titles. That local thickening of the skull may occur has long been known. It is seen in various systemic conditions, such as acromegaly, Paget's disease, oxycephaly, turricephaly, periosteal inflammatory reactions, etc., as well as in actual tumor formations. In the latter conditions, the thickening may involve the skull alone or may be accompanied by an underlying endothelioma. On the other hand, intracranial endotheliomas probably more often occur without any hyperostosis of the overlying skull. A close relationship between these conditions is becoming more generally recognized, and the surgeon who sees a case presenting a local thickening of the