Thymic hyperplasia is seen in ?

Ans. is 'c' i.e., Mysthenia gravisThymic hvperplasiaThe term thymic hyperplasia usually applies to the appearance of B-cell germinal centers within the thymus, a finding that is referred to as thymic follicular hyperplasia.Such B-cell follicles are present in only small numbers in the normal thymus.It can occur in a number of chronic inflammatory and immunologic states, but it is most frequently encountered in myasthenia gravis (65% to 75% of cases).Similar thymic changes are sometimes encountered in Graves disease, systemic lupus erythematosus, scleroderma, rheumatoid ahritis, and other autoimmune disorders.