Strain US Elastography for the Characterization of Thyroid Nodules: Advantages and Limitation

Table 2

Diagnostic performance of semiquantitative SE with strain ratio for elasticity evaluation, in selected studies.

Study	Number of nodules	Sensitivity %	Specificity %	Reference standard
Dighe et al., 2008 [38]	62	100	79	FNAB or surgery
Vorländer et al., 2010 [63]	309	43.2	Not referred	Surgery
Cakir et al., 2011 [64]	391	73	70	Surgery
Cantisani et al., 2014 [53]	354	93	92	FNAB or surgery

Dighe et al. [38] used carotid artery compression SE.