장골 혈관종 치료후에 병발된 방사선 조사후성 골격외 골육종

Abstract

A case of postradiation extraskeletal osteosarcoma, first case in Korea, is reported. This tumor arose in the soft tissue of left hip just above the greater trochanter that 4 years and 10 months previously had 'received 6,000 rad of radiation over a period of 6 weeks after removal of hemangioma of left ilium. Pathologically the tumor was a pleomorphic spindle cell tumor with multifocal osteoid deposition, which is indistingushable from conventional osteosarcoma of bone microscopially, Histogenesis of this tumor is discussed.