Malignant cold nodule in thyroid diagnostic on USG by all EXCEPT
No cystic lesion
Irregular margins
Calcification at margin of tumour
Hypoechoic
(A) No cystic lesion > USG can also be used to aid in the differentiation between benign and malignant nodules. The following criteria can be used by USG, and favor a diagnosis of malignancy:1) Absence of a halo sign2) Uniformly solid tumor with occasional central necrosis3) Irregular margins4) Fine calcifications5) Heterogenous echos and large size6) Surrounding tissue invasion
Miscellaneous