Granular deposits of IgA is seen in:
High-Yield Explanation
Bullous pemphigoid : Linear deposition of IgA and IgG at DEJ
Linear IgA bullous disorder : Linear deposition of IgA at DEJ
Dermatitis herpetiformis : Focal granular IgA deposits at papilary tips.
Hailey-Hailey disease : DIF : negative