[Allergic phenomena in the treatment of leg ulcer].

First mentioning the immunological processes of contact dermatoses, the authors study the six contact allergies encountered most frequently by them during the course of 133 cases of leg ulcers which they treated. They consider in detail the allergenic action of the following six substances: lanolin, neomycin, balsam of Peru, paraben, phenylenediamine and benzocaine. They pioneer therapies intended to prevent the risk of sensitization.