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: Unknown
[{'content': 'In Takayasu infiltrates of mucosa and submucosa of stomach is characteristically seen in Eosinophilic gastroenteritis. \nSelect and explain. \nA. Common carotid artery, B. Subclavian artery, C. Renal artery, D. Inferior mesenteric artery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (Refer: Robbins Pathologic Basis of Disease, 8thedition, pg no: 513-514)\nTakayasu arteritis (PULSELESS DISEASE)\n\nGranulomatous vasculitis of medium and larger arteries.\nOcular disturbances.\nDiminished pulses in the upper extremities.\nTransmural fibrous thickening of the aorta (aortic arch andgreat vessels).\nAortic lesions share many attributes with giant-cell aortitisincluding clinical features and histology; indeed, the distinctionis typically made only on the basis of the age of the patient.\nIn age > 50 years designated as giant-cell aortitis, while thoseunder 50 have Takayasu arteritis.\nMorphology - Irregular thickening of the vessel wall with intimal hyperplasia\nHistological appearance\n\t\nAdventitial mononuclear infiltrates.\nPerivascular cuffing of the vasa vasorum.\nMononuclear inflammation in the media.\nGranulomatous inflammation and Giant cells.\nPatchy medial necrosis.\nIn late stages, collagenous scarring, with admixed chronic inflammatory infiltrates, occurs in all three layers of the vessel wall.\nAortic root involvement causes aortic insufficiency.\n\n\n\nFrequency of Arteriography Abnormalities in Takayasu’sArteritis', 'role': 'assistant'}]