THE PURPOSE of this paper is to report a survey of 94 cases of chondrodermatitis nodularis chronica helicis observed at this center over a period of six years and to present our concept of the pathogenesis and treatment of this condition.
REVIEW OF THE LITERATURE
Clinical Description.—Winkler,1 in 1916, first described this condition under the title mentioned and presented eight cases. It was his impression that it represented an entity, and he characterized it as a small painful nodule on the ear, having a distinctive pathologic picture. The helix, specifically, was the site of involvement in all his cases. The lesions were "cherry seed" in size and had a firmly attached, centrally located crust. Intense pain was elicited when he attempted to remove this crust, and its removal revealed a small, well-defined ulcer with an erythematous base. The remainder of the nodule was the color of the