A case of osteosarcoma of the maxilla

Abstract

Osteosarcomara rely occursi n the maxilla, b ut it is a malignantt umor with a poorp rognosis. W e herein present the findingso f a 11-year-olbdo y whow as complainingo f the right exophthalmoas nd the right swollen cheek. The MRI revealed the right maxillary tumor which extended to the right orbit, ethmoidal sinus and alveolarp rocess. A no penb iopsyt hrought he maxillaw as donea nd a histopathologicaelx aminationd isclosed osteosarcoma. T he patient was treated with adjuvantc hemotherapyi, r radiation and radical maxillectomy. There has so far been no evidenceo f either localr ecurrenceo r systemicm etastasiso f the tumor as of about 3 years after the operation