Skin-nontumor / Clinical Dermatology - Chondrodermatitis nodularis chronica helicis

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Other dermatoses

Chondrodermatitis nodularis chronica helicis

Reviewer: Mowafak Hamodat, MB.CH.B, MSc., FRCPC, Eastern Health, St. Johns, Canada (see Reviewers page)
Revised: 27 July 2011, last major update July 2011
Copyright: (c) 2002-2011, PathologyOutlines.com, Inc.

Description
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● Idiopathic, nonneoplastic ulcerative lesion of auricle
● Unilateral, painful dome-shaped nodule; may be due to chronic trauma

Terminology
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● Also called Winkler disease

Epidemiology
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● Usually men ages 40+

Treatment
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● Wedge or cartilage excision; glucocorticoid injection
● Also conservative treatment using protective padding (J Dtsch Dermatol Ges 2011;9:292)

Clinical description
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● Dome shaped nodule, 0.3 to 1.8 cm, with crusty scale covering central area of ulceration

Clinical images
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Various images

Micro description
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● 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

Micro images
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Various images

Differential diagnosis
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● Clinically resembles carcinoma

End of Skin-nontumor / Clinical Dermatology > Other dermatoses > Chondrodermatitis nodularis chronica helicis

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