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Difference between revisions of "Chondrodermatitis nodularis chronica helicis"
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Chondrodermatitis nodularis chronica helicis (view source)
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'''Chondrodermatitis nodularis chronica helicis''', abbreviated '''CNCH''', is an uncommon painful condition that afflicts the ear. | |||
It is also known as '''chondrodermatitis nodularis helicis''' and '''Winkler disease'''.<ref>URL: [http://www.head-face-med.com/content/4/1/2 http://www.head-face-med.com/content/4/1/2]. Accessed on: 16 January 2014.</ref> | |||
==General== | |||
*Tender/painful - '''key clinical feature'''. | |||
*Typically right [[ear]] - people more often sleep on this one.<ref name=pmid17879469>{{Cite journal | last1 = Devani | first1 = A. | last2 = Barankin | first2 = B. | title = Dermacase. Chondrodermatitis nodularis chronica helicis. | journal = Can Fam Physician | volume = 53 | issue = 5 | pages = 821, 837 | month = May | year = 2007 | doi = | PMID = 17879469 }}</ref> | |||
*Usually >40 years old. | |||
Etiology: | |||
*Trauma/mechanical. | |||
==Gross== | |||
*[[Papule]] on ear. | |||
*+/-Erythematous. | |||
*+/-Crust. | |||
Clinical DDx:<ref name=pmid17879469/> | |||
*[[BCC]]. | |||
*[[SCC]]. | |||
===Images=== | |||
<gallery> | |||
Image:Chondrodermatitis.jpg | CNCH (WC) | |||
</gallery> | |||
www: | |||
*[http://www.dermnetnz.org/lesions/chondrodermatitis.html CNCH (dermnetnz.org)]. | |||
==Microscopic== | |||
Features:<ref name=pmid17879469/> | |||
*Dermal inflammation. | |||
*Epithelial hyperlasia. | |||
*Fibrosis. | |||
*Cartilaginous pathology: | |||
**Perichondrial inflammation - '''key feature'''. | |||
**Perichondrial disruption. | |||
**+/-Necrosis. | |||
**+/-Hemorrhage. | |||
===Images=== | |||
*[http://www.dermpedia.org/case/chondrodermatitis-nodularis-chronica-helicis CNCH (dermpedia.org)]. | |||
*[http://www.surgicalpathologyatlas.com/glfusion/mediagallery/media.php?s=20080802171837514 CNCH (surgicalpathologyatlas.com)]. | |||
*[http://dermatlas.med.jhmi.edu/derm/indexDisplay.cfm?ImageID=2140701395 CNCH (dermatlas.med.jhmi.edu)]. | |||
==Sign out== | |||
===Superficial biopsy=== | |||
<pre> | |||
SKIN LESION, LEFT ANTIHELIX OF EAR, BIOPSY: | |||
- SUPERFICIAL SKIN WITH ACANTHOSIS, HYPERKERATOSIS, MODERATE SOLAR ELASTOSIS, | |||
HYPERGRANULOSIS AND A MILD LYMPHOCYTIC PERIVASCULAR INFILTRATE. | |||
- NO CARTILAGE IS IDENTIFIED. | |||
- NEGATIVE FOR DYSPLASIA AND MALIGNANCY. | |||
COMMENT: | |||
The findings are non-specific. Chondrodermatitis cannot be excluded. | |||
</pre> | |||
==See also== | |||
*[[Non-malignant skin disease]]. | |||
*[[Dermatopathology]] | |||
==References== | |||
{{Reflist|2}} | |||
[[Category:Diagnosis]] | [[Category:Diagnosis]] | ||
[[Category:Dermatopathology]] | |||