Twenty-seven patients with Ewing's sarcoma were evaluated by whole-body radionuclide studies, using 67Ga citrate and 18F or 99mTc polyphosphate. Correlative diagnostic radiography was performed on all patients. Gallium scanning, bone scanning, and roentgen rays were of equal usefulness in diagnosing the primary lesion. Skeletal metastases were evaluated most effectively with bone scanning, 12 of 13 cases being thus detected, whereas 8 of 13 were detected on gallium images and 4 of 13 on radiographs. Lung metastases were found in 7 of 8 cases with radiography but in only 1 of 8 gallium scans.
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Frankel et al. (1974) studied this question.
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