Result: Diagnostic value of US signs for the detection of cervical metastatic lymph nodes from DTC, suspicious for malignancy (at least one sign), sensitivity 96.5%, specificity 43.7%, accuracy 79.1%, (at least two signs), sensitivity 85.7%, specificity 63.8%, accuracy 78.5%, and (at least three signs) sensitivity 76.5%, specificity 81.4%, accuracy 78.1%.