(Downloading may take up to 30 seconds. If the slide opens in your browser, select File -> Save As to save it.)
Terms and Conditions for Use
Click on image to view larger version.
View larger version (143K)
Figure 2b. Images in a 40-year-old woman with stage I papillary thyroid carcinoma who underwent total thyroidectomy 4 weeks previously. (a) Diagnostic anterior image of the neck acquired 48 hours after administration of 185 MBq (5 mCi) of 131I reveals a functioning thyroid remnant, as evidenced by the star pattern of activity. (b) After 3,700 MBq of (100 mCi) 131I was administered 8 days later, the thyroid bed activity is seen again. (c) One-year follow-up diagnostic scan shows mild residual activity (arrow) in the thyroid bed. (d) After another treatment with 3,700 MBq of 131I, a postablation scan obtained 7 days later does not demonstrate any activity in the thyroid bed, thus indicating stunning. (e) Another 1-year follow-up diagnostic scan obtained 48 hours after administration of 185 MBq of 131I again shows no activity in the thyroid bed.
