<prompt> fibrinoid necrosis is senn all the following except ?malignant hypeensionacute rheumatic feverpolyahropathypolyairitis nodosa  <response>: Fibrinoid necrosis : alSo called fibrinoid degeneration It appears as strongly eosinophilic, reflexible small granules, pieces or amorphous materials, in the wall of blood vessel or in connective tissue. The original structure is destroyed. It can be seen in rheumatic fever, allergic vasculitis and other immune complex injury . type 3 hypersentitivity reaction ref : robbins 10th ed 