A 42-year-old female asked:
how accurate is a skin biopsy for lupus? can you have a false/ positive test result?
2 doctor answers
Dr. Robert Jackson answered
42 years experience Dermatology
Accurate: Discuss with your dermatologist.
Answered on Apr 27, 2013
Dr. Emily Altman answered
27 years experience Dermatology
Lupus biopsy: Biopsy of lupus has a number of features that lead to diagnosis: a thickened basement membrane, vacuolar alteration of basal keratinocytes and superficial and deep inflammatory infiltrate. Lupus has a number of different forms in the skin and there are times when it is not easy to differentiate it from other types of skin inflammation. There are other tests to support diagnosis.
Answered on Apr 2, 2015
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