Multiple markedly enlarged bilateral upper and lower cervical specific lymph nodes with oblong and rounded shapes (L/T<2), heterogeneously hypoechoic, and the normal echogenic hila are absent.
They show disorganized intranodal vascularity, some of them show Intranodal necrosis: cystic (hypoechoic) or coagulation necrosis (echogenic, mimicking hilum but not continuous with surrounding fat).