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  Indian J Med Microbiol
 

Figure 9: A 62-year-old patient with follicular ca thyroid s/p total thyroidectomy and high dose 131I therapy presented with swelling in chest region of 2 months. (a) WBI scan was negative with stimulated Tg of 346 ng/ml. Whole body FDG PET/CT (b) off T4 showed a large FDG avid lesion in (A) left 1st costal cartilage (SUV Max 40.9) (B) anterior to left 4th costal cartilage (SUV Max 29.0) and a small subcutaneous deposit in anterior chest wall at parasternal region toward left side (C) (Arrows and crosshair depict the lesions as described)

Figure 9: A 62-year-old patient with follicular ca thyroid s/p total thyroidectomy and high dose <sup>131</sup>I therapy presented with swelling in chest region of 2 months. (a) WBI scan was negative with stimulated Tg of 346 ng/ml. Whole body FDG PET/CT (b) off T4 showed a large FDG avid lesion in (A) left 1<sup>st</sup> costal cartilage (SUV Max 40.9) (B) anterior to left 4<sup>th</sup> costal cartilage (SUV Max 29.0) and a small subcutaneous deposit in anterior chest wall at parasternal region toward left side (C) (Arrows and crosshair depict the lesions as described)