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necrobiosis lipoidica
Etiology:
- unknown
- generally occurs as complication of diabetes mellitus (see necrobiosis lipoidica diabeticorum)
- also occurs in patients without diabetes mellitus
Pathology:
- disorder of collagen degeneration with a granulomatous response
- thickening of blood vessel walls
- fat deposition
Clinical manifestations:
* images [1,2]
Complications:
- ulceration, usually occurring after trauma
- infections can occur but are uncommon
- rare reported cases of squamous cell carcinomas developing in chronic lesions of necrobiosis lipoidica
Specific
necrobiosis lipoidica diabeticorum [NLD]
General
granulomatous disease of skin & subcutaneous tissue
References
- Barnes CJ and Elston DM (images)
eMedicine: Necrobiosis Lipoidica
http://emedicine.medscape.com/article/1103467-overview
- DermNet NZ. Necrobiosis lipoidica (images)
http://www.dermnetnz.org/dermal-infiltrative/necrobiosis-lipoidica.html