Skin inflammatory (nontumor)
Dermal collagen and elastic tissue alterations, and cutaneous deposits
Chondrodermatitis nodularis chronica helicis


Topic Completed: 1 July 2011

Revised: 14 March 2019

Copyright: 2002-2019, PathologyOutlines.com, Inc.

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 chronica helicis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/skinnontumorchondrodermatitis.html. Accessed October 15th, 2019.
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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