chondrodermatitis nodularis chronica helicis chondrodermatitis nodularis chronica helicis chondrodermatitis nodularis chronica helicis is a small, nodular, tender, chronic inflammatory lesion occurring on the helix of the ear, most often in men.: 610 it often presents as a benign painful erythematous nodule fixed to the cartilage of the helix or antihelix of the external ear. although the exact cause of the condition is unknown, it has been linked to head pressure on the ear while sleeping. treatment options include the use of pressure-relieving devices or, in cases where that is not an option, surgery. histopathology, showing an ulceration surrounded by acanthosis and parakeratosis, with absence of atypia. chondrodermatitis nodularis chronica helicisother nameschondrodermatitis nodularis helicis: 782 chondrodermatitis helicis nodularis in a 67-year-old manspecialtydermatology