85Sr Uptake in Lung Metastases of Osteogenic Sarcoma

Abstract
A case of osteogenic sarcoma with multiple lung metastases is presented. 85Sr lung scans demonstrated abnormal uptake. There was no close correlation between lung metastases seen on chest X-rays and the accumulation of 85Sr. It is suggested that uptake of 85Sr occurs mainly in active tumor bone formation and less in ossified metastases.

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