This paper reported the study of quantitative analysis of bone imaging by computer in 60 cases with malignant tumor. The bor.e imaging were obtained 3 hours after the injection of 99mTc-MDP. The ratio of counts between the skeletal lesions and its contralateral or surrounding side was calculated
designated as H value. Three kinds of H value were found: <l.5
1.5 to 2
> The results showed that quantitative analysis of skeletal image is more effective than the visual inspection.