Fig. 2

CT findings. A (axial section) and B (coronal section): CT image showing a low-density mass lesion with a vertical diameter exceeding 35 mm in the right lobe of the thyroid gland (arrows), extending posteriorly with an indistinct dorsal margin, which appeared to disrupt the thyroid capsule and invade the surrounding tissues, implying a possible malignant nature. Enlarged lymph nodes were not observed in the neck