Direct Immunofluorescence Staining of a Biopsy from a Patient with Mucous

question 57

Multiple Choice

Direct immunofluorescence staining of a biopsy from a patient with mucous membrane pemphigoid would show immunoglobulin deposition in which of the following microscopic patterns?

• A) Linear fluorescence of the keratin layer
• B) Linear fluorescence of the basement membrane
• C) Irregular globular fluorescence of the basement membrane
• D) Fluorescence of the submucosal blood vessels
• E) Interepithelial fluorescence

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