Granular deposits of IgA is seen in:
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
Bullous pemphigoid
Linear IgA bullous disorder
Dermatitis Herpetiformis
Hailey-Hailey disease