<prompt> Thymic hyperplasia is seen in -ThymomaThymic lymphomaMyasthenia gravisScleroderma  <response>: Ans. is c i.e., Mysthenia gravis Thymic hyperplasiao The 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.o Such B-cell follicles are present in only small numbers in the normal thymus.o 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.o Similar thymic changes are sometimes encountered in Graves disease, systemic lupus erythematosus, scleroderma, rheumatoid arthritis, and other autoimmune disorders. 