This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Skin
Immunoflorescence pattern in pemphigus vulgaris is suggestive of ? 
Select and explain. 
A. Intercellular IgG deposition, B. C3 and IgG deposition at dermo-epidermal junction, C. IgA deposition at dermo-epidermal junction, D. IgA at pappilary tip
A: Intercellular IgG deposition
Answer: A: Intercellular IgG deposition 
Explanation: Ans. is 'a' i.e., Intercellular IgG deposition