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Difference between revisions of "Non-malignant skin disease"
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Non-malignant skin disease (view source)
Revision as of 06:04, 10 December 2011
, 06:04, 10 December 2011→Less common: chondrodermatitis nodularis chronica helicis
(→Less common: chondrodermatitis nodularis chronica helicis) |
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=Less common= | =Less common= | ||
==Chondrodermatitis nodularis chronica helicis== | |||
*[[AKA]] ''chondrodermatitis nodularis helicis''. | |||
*Abbreviated ''CNCH''. | |||
===General=== | |||
*Tender/painful - '''key clinical feature'''. | |||
*Typically right ear.<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> | |||
*> 40 years old. | |||
Etiology: | |||
*Trauma/mechanical. | |||
Clinical DDx:<ref name=pmid17879469/> | |||
*[[BCC]]. | |||
*[[SCC]]. | |||
===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)]. | |||
==Cutaneous calcinosis== | ==Cutaneous calcinosis== | ||
*[[AKA]] ''calcinosis cutis''. | *[[AKA]] ''calcinosis cutis''. | ||