Similarly, comparison of glucocorticoid excretion in patients with adenomas harboring somatic KCNJ5 mutations (n = 31) did not differ from those with non-KCNJ5 mutations (n = 23) and wild type (n = 34), with significantly increased glucocorticoid excretion in all 3 (data not shown). Here, KCNJ5 is linked to adenoma.