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Difference between revisions of "Chondrodermatitis nodularis chronica helicis"
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Chondrodermatitis nodularis chronica helicis (view source)
Revision as of 21:59, 13 December 2019
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{{ Infobox diagnosis | |||
| Name = {{PAGENAME}} | |||
| Image = | |||
| Width = | |||
| Caption = | |||
| Synonyms = chondrodermatitis nodularis helicis, Winkler disease | |||
| Micro = cartilaginous pathology (esp. perichondrial inflammation, perichondrial disruption +/-necrosis, +/-hemorrhage), overlying dermal inflammation, epithelial hyperlasia, (dermal) fibrosis | |||
| Subtypes = | |||
| LMDDx = | |||
| Stains = | |||
| IHC = | |||
| EM = | |||
| Molecular = | |||
| IF = | |||
| Gross = [[papule]] on ear, +/-erythema, +/-crusting | |||
| Grossing = | |||
| Site = ear by definition ([[skin]]) | |||
| Assdx = | |||
| Syndromes = | |||
| Clinicalhx = more often right ear | |||
| Signs = tenderness | |||
| Symptoms = pain | |||
| Prevalence = uncommon | |||
| Bloodwork = | |||
| Rads = | |||
| Endoscopy = | |||
| Prognosis = benign | |||
| Other = | |||
| ClinDDx = [[BCC]], [[SCC]] | |||
| Tx = | |||
}} | |||
'''Chondrodermatitis nodularis chronica helicis''', abbreviated '''CNCH''', is an uncommon painful condition that afflicts the ear. | '''Chondrodermatitis nodularis chronica helicis''', abbreviated '''CNCH''', is an uncommon painful condition that afflicts the ear. | ||
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===Images=== | ===Images=== | ||
<gallery> | <gallery> | ||
Image:Chondrodermatitis.jpg | CNCH (WC) | Image:Chondrodermatitis.jpg | CNCH. (WC) | ||
</gallery> | </gallery> | ||
www: | www: | ||
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===Images=== | ===Images=== | ||
*[http://www.dermpedia.org/case/chondrodermatitis-nodularis-chronica-helicis CNCH (dermpedia.org)]. | *[http://www.dermpedia.org/case/chondrodermatitis-nodularis-chronica-helicis CNCH (dermpedia.org)]. | ||
==Sign out== | ==Sign out== | ||
<pre> | |||
Skin Lesion, Right Ear, Excision: | |||
- Compatible with chondrodermatitis nodularis chronica helicis. | |||
</pre> | |||
====Micro==== | |||
The sections show skin with epidermal hyperplasia, parakeratosis and a thickened granular cell layer. The subepithelial tissue has a scattered perivascular lymphocyte predominant inflammatory infiltrate that extends to the cartilage. The cartilage shows focal ischemic changes and perichondral inflammation. Focal chondral necrosis and microabscess formation is identified. Maturing granulation tissue is seen adjacent to the cartilage. | |||
===Superficial biopsy=== | ===Superficial biopsy=== | ||
<pre> | <pre> | ||