Difference between revisions of "Chondrodermatitis nodularis chronica helicis"

From Libre Pathology
Jump to navigation Jump to search
(split out)
Line 21: Line 21:
===Images===
===Images===
<gallery>
<gallery>
Image:Chondrodermatitis.jpg | CNCH (WC)
Image:Chondrodermatitis.jpg | CNCH. (WC)
</gallery>
</gallery>
www:
www:

Revision as of 23:16, 16 February 2014

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.[1]

General

  • Tender/painful - key clinical feature.
  • Typically right ear - people more often sleep on this one.[2]
  • Usually >40 years old.

Etiology:

  • Trauma/mechanical.

Gross

  • Papule on ear.
  • +/-Erythematous.
  • +/-Crust.

Clinical DDx:[2]

Images

  • CNCH. (WC)

www:

Microscopic

Features:[2]

  • Dermal inflammation.
  • Epithelial hyperlasia.
  • Fibrosis.
  • Cartilaginous pathology:
    • Perichondrial inflammation - key feature.
    • Perichondrial disruption.
    • +/-Necrosis.
    • +/-Hemorrhage.

Images

Sign out

Superficial biopsy

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.

See also

References

  1. ↑ URL: http://www.head-face-med.com/content/4/1/2. Accessed on: 16 January 2014.
  2. ↑ 2.0 2.1 2.2 Devani, A.; Barankin, B. (May 2007). "Dermacase. Chondrodermatitis nodularis chronica helicis.". Can Fam Physician 53 (5): 821, 837. PMID 17879469.
Retrieved from "https://librepathology.org/w/index.php?title=Chondrodermatitis_nodularis_chronica_helicis&oldid=29457"