A Case of Marine-Lenhart Syndrome with a Negative TSH Receptor Antibody Titer Successfully Treated with a Fixed, Low Dose of I¹³¹

Figure 1

Ultrasonography of the right lobe. A hypoechoic, inhomogeneous mass with a sharp border was detected in the right lobe. The tumor measured 21.5 mm × 19.4 mm × 36.3 mm in diameter. Doppler color flow revealed a high vascularity of the tumor.

(a)

(b)