monoclonal gammopathy ( m-component ) was demonstrated in 5 of 667 patients ( 0.7 % ) with hashimoto 's thyroiditis ( 1 man and 4 women ) , 1 man with thyroid prelymphoma , and 3 of the 13 patients ( 23.1 % ) with malignant lymphoma of the thyroid ( 2 men and 1 woman ) .
C0677607
hashimoto 's thyroiditis
C0040132
thyroid