This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Skin
All are true about linear IgA disease except 
Select and explain. 
A. Subepidermal involvement, B. Severe itching, C. Granular deposition of IgA, D. All
C: Granular deposition of IgA
Answer: C: Granular deposition of IgA 
Explanation: C i.e. Granular deposition of IgALinear IgA disease presents with severely pruritic, subepidermal blistersQ. On DIM, linear (not granular) deposits of IgAQ is seen along EBM. It is a separate & distinct entity different from dermatitis herpetiformis and so gluten free diet is not requiredQ.