Skin nontumor
Dermal collagen and elastic tissue alterations, and cutaneous deposits
Chondrodermatitis nodularis helicis


Topic Completed: 1 July 2011

Minor changes: 4 August 2020

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PubMed Search: Chondrodermatitis nodularis chronica helicis

Mowafak Hamodat, M.B.Ch.B., M.Sc.
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Cite this page: Hamodat M. Chondrodermatitis nodularis helicis. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/skinnontumorchondrodermatitis.html. Accessed October 20th, 2020.
Definition / general
  • Idiopathic, nonneoplastic ulcerative lesion of auricle
  • Unilateral, painful dome shaped nodule; may be due to chronic trauma
Terminology
  • Also called Winkler disease
Epidemiology
  • Usually men ages 40+
Clinical features
  • Dome shaped nodule, 0.3 to 1.8 cm, with crusty scale covering central area of ulceration
Treatment
Clinical images

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Chondrodermatitis nodularis

Microscopic (histologic) description
  • Central ulceration of epidermis with adjacent acanthosis, hyperkeratosis, parakeratosis and pseudoepitheliomatous hyperplasia
  • Base of ulcer has granulation tissue that usually involves perichondrium and cartilage
  • May have foci of fibrinoid necrosis
  • Vascular proliferation may resemble a glomus tumor
  • No dermal adnexa at site of lesion
Differential diagnosis
  • Clinically resembles carcinoma
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