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: Pathology
[{'content': "Fibrinoid necrosis may be observed in all of the following except - \nSelect and explain. \nA. Malignant hypeension, B. Polyaeritis nodosa, C. Diabetic glomerulosclerosis, D. Aschoff's nodule", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is \'c\' i.e., Diabetic glomerulosclerosis Fibrinoid necrosis o Fibrinoid necrosis is special form of necrosis usually seen in immune reactions involving blood vessels. o This pattern of necrosis typically occurs when complexes of antigen and antibodies are deposited in the walls of aeries. o Deposits of these "immune complexes", together with fibrin that has leaked out of vessels, result in a bright pink and amorphous appearance in H & E stains, called "fibrinoid\' (fibrin like) by pathologists. o It is seen in : degImmune complex vasculitis 2)Malignant hypeension. o Deposition of immune complexes, together with fibrin, results in bright pink and amorphous appearance in H & E stain, called fibrinoid (fibrin like). o Diseases with fibrinoid necrosis (from internet) Malignant hypeension SLE HBV PAN Henoch-scholein purpura Near peptic ulcer Acute rheumatic fever (Aschoff\'s nodule) SABE Malignancy Rheumatoid ahritis', 'role': 'assistant'}]