Granular deposits of immunoglobulin G in the basement membrane zone on direct immunofluorescence of lesional skin.
Reproduced with permission from: Winfield H, Jaworsky C. Connective tissue diseases. In: Lever's Histopathology of the Skin, 10th ed, Elenitsas R, Johnson BL JR, Murphy GF, Xu X (Eds), Lippincott Williams & Wilkins, Philadelphia 2008. Copyright © 2008 Lippincott Williams & Wilkins.
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