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What is Band test is done in: and explain in detail?
Ans. (b) SLE(Ref: Dubois' Lupus Erythematosus pg 542)Lupus Band testA diagnostic procedure used to detect deposits of immunoglobulins and complement components along the dermo-epidermal junction in patients with SLE & cutaneous lupusIt is positive in about 70%-80% of sun-exposed & 55% of sun-protected non-lesional skin specimens obtained from patients with SLE