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[Problems in the radiologic diagnosis of osteogenic sarcoma].

Osteogenic sarcoma showing the signs of acute osteolytic process were hardest to diagnose. Since-reliable diagnosis depended on detection of neoplastic osteogenesis in involved bone, tomography proved to be of vital importance. Differential diagnosis was instrumental in dealing with osteolytic giant-cells and osteomyelitis. Diagnosis cannot be considered complete until histological examination is carried out. Whenever neoplastic osteogenesis is suspected, samples must be taken from relevant sites.