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What is Myasthenia gravis is associated with and explain in detail?
Some 60%of Myasthenia gravis are associated with a peculiar reactive hyperplasia of intrathymic B cells and another 20%are associated with thymoma, a tumor of thymic epithelial cells. Robbins basic pathology 9th edition page no 800,heading =Myasthenia gravis Option 4 is correct