Chondrodermatitis nodularis helicis

    Also known as: chondrodermatitis nodularis chronica helicis

    Clinical Features:

    • Painful umbilicated nodule on the helix or antihelix

    Histologic Features:

    • Hyperplasia and ulceration of the epidermis with fibrin deposition in the base of the ulcer
    • Dermal fibrosis, granulation tissue and a mixed inflammatory infiltrate
    • Degeneration of the underlying cartilage

    External Links:

    Cases associated with this book:

  • Chondrodermatitis nodularis chronica helicis
    Author: Stephen Lyle, M.D., Ph.D.

    Conference: Teaching Collection