Skin nontumor
Dermal collagen and elastic tissue alterations and metabolic disorders
Chondrodermatitis nodularis helicis
Last author update: 1 July 2011
Last staff update: 29 February 2024 (update in progress)
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PubMed Search: Chondrodermatitis nodularis chronica helicis
Table of Contents
Definition / general | Terminology | Epidemiology | Clinical features | Treatment | Clinical images | Microscopic (histologic) description | Differential diagnosisCite this page: Hamodat M. Chondrodermatitis nodularis helicis. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/skinnontumorchondrodermatitis.html. Accessed April 18th, 2024.
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
- Wedge or cartilage excision; glucocorticoid injection
- Also conservative treatment using protective padding (J Dtsch Dermatol Ges 2011;9:292)
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
