FIGURE 2. Planar images obtained 5 h (A) and 24 h (B) after ¹²³I administration and 7 d after ¹³¹I therapy (C) in patient who was referred for thyroid remnant ablation. Right thyroid bed focus (dashed arrow) is not seen on 5-h image but is clearly present on 24-h image. Other foci of tracer activity in thyroid bed (left lower neck) and in right femur region (solid arrow) are better defined on 24-h image. Findings on 24-h image are confirmed by scan obtained 7 d after ¹³¹I therapy.

Return to article