Necrobiosis Lipoidica Differential Diagnoses
- Author: Cheryl J Barnes, MD; Chief Editor: Dirk M Elston, MD more...
Diagnostic Considerations
The clinical appearance of necrobiosis lipoidica is distinctive, yet there are many atypical presentations, and early forms can be hard to recognize.[5] Note the following:
- Superficial annular lesions can resemble granuloma annulare
- Yellow annular lesions of necrobiosis lipoidica with a fatty infiltration can resemble xanthomas
- Necrobiotic xanthogranuloma is a rare disease that can mimic necrobiosis lipoidica clinically and histologically; necrobiotic xanthogranuloma has been associated with paraproteinemia and some hematologic malignancies, which is not the case with necrobiosis lipoidica
- The clinical and histologic appearance of sarcoidosis of the skin can be like that of necrobiosis lipoidica
- Rheumatoid nodules also have a histologic appearance similar to that of necrobiosis lipoidica, but clinically they appear as subcutaneous nodules rather than as atrophic plaques
- Ulcerated necrobiotic lesions also have been described in patients with rheumatoid arthritis
Differential Diagnoses
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