<prompt> All are true about linear IgA disease exceptSubepidermal involvementSevere itchingGranular deposition of IgAAll  <response>: 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. 