Imaging and Clinical Data Distinguish Lymphadenopathy-First-Presenting Kawasaki Disease from Bacterial Cervical Lymphadenitis.

LKD patients tend to have no abscesses on CT and more elevated systemic hepatobiliary inflammatory markers and pyuria compared to BCL patients. The absence of abscess on CT, younger age, and elevated CRP were the most significant variables differentiating LKD from BCL. There was no difference in CAA between LKD and typical KD.