. 2016 May 20;113(20):353–359. doi: 10.3238/arztebl.2016.0353

Table 1b. Sensitivity and specificity of ultrasound features of lymph nodes according to current recommendations^*.

Feature	Sensitivity (%)	Specificity (%)
Microcalcification	5–60	93–100
Cystic aspect	10–34	91–100
Peripheral vascularization	40–86	57–93
Hypoechogenicity	30–87	43–95
Round shape	37	70

^*according to the American Thyroid Association, 2015 (8)

Table 1b. Sensitivity and specificity of ultrasound features of lymph nodes according to current recommendations*.