Which of the following shows deposition of IgA in dermal papilla –
Correct Answer: Dermatitis herpetiformis
Description: Ans. is 'a' i.e., Dermatitis herpetiformis Immunopathological appearance of vesicobullous disorders* Bullous pemphigoid-Linear band of IgG or C3 in epidermal basement membrane* Pemphigus vulgaris-Cell surface deposits of IgG on keratinocytes* Pemphigus foliaceous-Cell surface deposits of IgG on keratinocytes* Pemphigoid gestationis-Linear band of C3 in epidermal basement membrane zone* Dermatitis herpetiformis-Granular deposits of IgA in dermal papillae* Chronic bullous disease of childhood-IgA deposits along the dermoepidermal junction* Linear IgA dermatosis of adults-Linear deposits of IgA at dermoepidermal junction
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