Figure 4
US finding of a false positive case with underlying heterogenous thyroid gland echogenicity. (a) Transverse and (b) longitudinal US showed an 8-mm microlobulated, marked hypoechoic nodule (arrows) with heterogenous echogenicity of the underlying thyroid gland. This lesion was later found to be lymphocytic thyroditis on fine-needle aspiration biopsy and no longer detectable on 2Â years follow up US.