Figure 1

Measurement of thyroid gland volume using CT scan. A cross-sectional image (A) and three-dimensional (3D) reconstruction image (B) of the thyroid gland in CT scan with contrast at baseline in patient 5 (thyroid volume 7.8 ml). A cross-sectional image (C) and 3D reconstruction image (D) of the thyroid gland in the same patient 15 months after the start of sunitinib treatment (thyroid volume was 1.2 ml).