CD20, CD74, interleukin (IL)‐18, Toll‐like receptor (TLR)‐7, Z‐DNA binding protein 1 (ZBP1) and CD1c are expressed in Kawasaki disease (KD) arteritis. Cases in left column; controls in right column. (a,b) CD20 [(a) KD 2, (b) control 2)]; [(c,d) CD74 (c) KD 10, (d) control 13)]; [(e,f) interleukin (IL)‐18, (e) KD 10, (f) control 2)]; [(g,h) TLR‐7, (g) KD 9, (h) control 12)]; [(i,j) ZBP1, (i) KD 12, (j) control 2)]; [(k,l) CD1c, (k) KD 3, (l) control 2). A = adventitia; I/M = intima/media; L = lumen; T = thrombus. [Colour figure can be viewed at wileyonlinelibrary.com]