Skin tumor Nonmelanocytic
Benign (nonmelanotic) epidermal tumors or tumor-like lesions
Chondrodermatitis nodularis chronica helicis

Author: Mowafak Hamodat, M.D., MB.CH.B, MSc., FRCPC (see Authors page)

Revised: 22 May 2017, last major update July 2011

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PubMed Search: Chondrodermatitis nodularis chronica helicis

Cite this page: Chondrodermatitis nodularis chronica helicis. PathologyOutlines.com website. http://pathologyoutlines.com/topic/skinnontumorchondrodermatitis.html. Accessed November 22nd, 2017.
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