Figure 6:Radioiodine imaging of thyroid cancer metastases using rTSH stimulation, i.m. (Thyrogen ) 1 and 2 days before. WB imagings were performed at 45 and 119 h p.i.. The administered oral activity was 5.082 GBq. This patient had Stage IV metastasized thyroid cancer. Whole body imaging demonstrates a small thyroid residue, diffuse lung uptakes bilaterally, multiple skeletal uptakes in thorax, spine and pelvis. A strong normal physiologic activity is seen in stomach, normal physiological activity in salivary glands and urinary bladder. Contaminations in clothing are seen on the left, especially in the 6 d image..