Fig. 1
From: Breast metastasis from medullary thyroid carcinoma: a report of a case
FDG PET–CT findings. a PET scan performed before the first surgery. FDG accumulation in the MTC in the thyroid (arrowheads). b PET scan performed after the first surgery. No abnormal accumulation was found in the neck or the breast. c PET scan performed before the second surgery. FDG accumulation was found in the neck, mediastinum (arrow heads), and bilateral breasts (arrows). d PET scan performed after the second surgery. FDG accumulation was found in the neck (arrow heads) and breast tumors (arrows). The numbers (1) to (3) correspond to the breast tumors in the text