cushing 's syndrome is caused by hypercortisolism that can be due to ( 1 ) medicinal use of steroids , ( 2 ) excess pituitary secretion of adrenocorticotropin ( acth ) ( cushing 's disease ) , ( 3 ) adrenocortical tumor , benign or malignant , and ( 4 ) the ectopic acth syndrome .
C0010481
cushing 's syndrome
C0001622
cushing 's disease