Gliosarcomaの1例

Gliosarcoma: A case report

I．はじめに

　1895年，Ströbei^4）が最初に記載して以来，mixedgliona and sarcomaすなわちgliosarcomaの報告例は少なからずみられており，またoncogenesisの立場からも関心をもたれている．

　Morantzら^8）によれば，gliosarcomaの臨床像は通常のanaplastic astrocytomaと著しく異なったという点はなく，また手術摘出標本の病理組織学的検索では，標本摘出の仕方によってはsarcomatous componentが見落される可能性があることを指摘しており，実際にはanaplastic astrocytomaの8％に相当する数のgliosar—comaがみられたと報告している．

A 60-year-old woman was admitted to our clinic on September 29, 1983 because of a five months history of personality change and progressive left sided motor weakness. Neurological examination on admission revealed left hemiparesis and papilledema. She was severely demented.

Skull X-rays were normal. CT scan showed a large right parietoccipital mass which was markedly enhanced by contrast medium. Right internal carotid angiogram showed abnormal vascular shadow, early draining veins and tumor stain in parietoccipital region.