recurrent palmoplantar hidradenitis recurrent palmoplantar hidradenitis recurrent palmoplantar hidradenitis is primarily a disorder of healthy children and young adults, characterized by lesions that are primarily painful, subcutaneous nodules on the plantar surface, resembling erythema nodosum.: 780 recurrent palmoplantar hidradenitisother namesidiopathic palmoplantar hidradenitis, idiopathic plantar hidradenitis, painful plantar erythema, palmoplantar eccrine hidradenitis, plantar panniculitisspecialtydermatology