Flaccid bullae lesions with oral mucosal lesions. The finding in immunoflourescence is –: (A) Fish net IgG in epidermis, (B) Linear IgG in DEJ, (C) Granular IgA in dermal papillae, (D) Linear IgA in reticular dermis
Answer is A. Flaccid bullae with involvement of oral mucosa suggest the diagnosis of pemphigus vulgaris.
In pamphigus, there is intercellular deposition of IgG in fish-net pattern.