This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vesiculobullous (Blistering) Disorders, Subject name: Skin
Intercellular antibodies deposition on immunofluorescence is seen in: 
Select and explain. 
A. Psoriasis, B. Pemphigus, C. Pemphigoid, D. Porphyria
B: Pemphigus
Answer: B: Pemphigus 
Explanation: Ans. B. Pemphigusa. In Pemphigus, there is production of IgG auto antibodies against polypeptide complexes present in the intercellular substance of epidermis.b. Lesional sites show a characteristic Fish net like pattern of intercellular IgG deposits in the intercellular area.