8 Arteaga Arteaga E E Fardella Fardella C C Campusano Campusano C C Cárdenas Cárdenas I I Martinez Martinez P P Persistent hypokalemia after successful adrenalectomy in a patient with Cushing's syndrome due to ectopic ACTH secretion: possible role of 11beta-hydroxysteroid dehydrogenase inhibition Persistent hypokalemia after successful adrenalectomy in a patient with Cushing's syndrome due to ectopic ACTH secretion: possible role of 11beta-hydroxysteroid dehydrogenase inhibition J Endocrinol Invest J Endocrinol Invest 1999 1999 22 22 11 11 857 857 9 9 10710274 10710274. This evidence concerns the gene POMC and Cushing syndrome.