“…6,8 A biopsy of the patch test reaction showed EM features in one. 8 After reviewing the remaining reports, in some cases we identified coalescing urticarial papules 9,10,12 ; lesions likely triggered by pressure, 12 which could be due to koebnerization as described in EM; or pigmentation, 4,5 which may be a sign of cytotoxic epidermal damage. Clear-cut target-like EM-lesions were not, however, described.…”