Immunoflourescence test is positive in:____________?
Correct answer: E. Both B & C
- A. Psoriasis
- B. pemphigus vulgaris
- C. Lupus erythematosus
- D. Scleroderma
- E. Both B & C
Explanation
Direct immunofluorescence is positive in pemphigus vulgaris, showing intercellular IgG in a fish-net pattern, and in lupus erythematosus, showing a lupus band at the basement membrane. Therefore both B and C are correct.
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