Arthus reaction is what type of hypersensitivity reaction: (A) Localized immune complex, (B) Ag-Ab reaction, (C) Complement mediated, (D) Ab mediated
Answer is A. The Arthus reaction is a localized area of tissue necrosis resulting from acute immune complex vasculitis, usually elicited in the skin. Revise the mnemonics “SHARP“ from the text.