Fig. 4From: Screening and treatment of brain metastasis from papillary thyroid carcinoma: a case seriesDiagnostic131I–whole body scan (a) and post-treatment whole body scan (b) : Diagnostic 131I -whole body scan showing lesions at the thyroid bed and left lung (arrowhead) but no brain metastatic lesions. (b): Post-treatment 131I -whole body scan showing additional focal uptake on the head (arrow).Back to article page