Gougerot dissociated from a group of diseases formerly known as dermatitis nodularis necroticans and non-necroticans a multiform eruption to which he attached a lengthy title.1 It was later changed to trisymptomatic disease of Gougerot* and finally to nodular dermal allergide.4
The eruption, developing on an allergic basis and having a predilection for the lower extremities, consists of macular erythematous lesions and those suggestive either of erythema multiforme or urticaria in addition to the presence of nodules and purpuric macules. An occasional case may also present papulonecrotic lesions and/or bullae. However, a single type of lesion may comprise the entire eruption or there may be a variety of combinations of the aforementioned lesions. Histologically, the predominant abnormalities are usually confined to the cutis and consist chiefly of a capillaritis and arteriolitis, fibrinoid necrosis of the perivascular tissues, and a cellular infiltrate composed