Its distinguishing characteristics include (1) the absence of prodromal symptoms (itching/burning), (2) prominent gyrate erythema, (3) the absence of “flame figures” on histology (collagen coated with eosinophil major basic protein), (4) a lack of peripheral eosinophilia, and (5) the absence of granulomas on histology.1 Here, PRG2 is linked to Erythema.