Preferred Label : Chondrodermatitis Nodularis Chronica Helicis;
NCIt synonyms : CNCH; Chondrodermatitis Nodularis Helicis;
NCIt definition : A relatively common non-neoplastic inflammatory and degenerative lesion that affects
the external ear. It is characterized by necrotic changes in the dermis and perichondrium.
It usually affects the helix. Patients present with a painful nodule that contains
a cup-shaped crater filled with necrotic debris, inflammatory cells, and fibrin. It
is caused by helmets, headsets, actinic changes, and frostbite resulting in dermal
microtraumas. It is often confused clinically with squamous or basal cell carcinoma,
and it may recur.;
Origin ID : C202572;
UMLS CUI : C0271415;
Has associated anatomic sites
- Semantic type(s)
- UMLS correspondences (same concept)
