Domenico Bonamonte et al.
Dermatitis : contact, atopic, occupational, drug, 23(4), 153-157 (2012-07-26)
Etiopathogenesis of nummular eczema is obscure; many causative factors have been proposed. Only a few studies investigated the relevance of contact allergy. This retrospective study aimed to investigate the role of contact allergy in the underlying mechanism of nummular eczema.