Abstract
Of 122 children suspected of having malignant disease and examined by 67Ga scintigraphy, true-positive detection was obtained in 22 patients before treatment and true-negative in 22. False-negative scans were obtained in 5 children with primary adrenal neuroblastoma. Local recurrence and/or metastases were detected in 29 of 58 children previously treated for malignant disease. For malignant disease, diagnostic sensitivity was 78% and diagnostic specificity 79%. 67Ga scintigraphy should be used for primary visualization and control of malignant tumors in children.

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