1 MCQs in Pathology for NEET PG
A 78-year-old man with hypertension and smoking history presents with a 6-month history of exertional chest pain and dyspnea. Transthoracic echocardiography shows aortic valve area of 0.8 cm² and mean gradient of 45 mmHg. The gross pathology specimen shows the structure marked **A** (heavy nodular cuspal calcification) on the aortic surface of the valve with preserved commissures. Which of the following best describes the underlying pathophysiology and etiology of this patient's aortic stenosis?
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