typical features included : acute onset of adrenocortical hyperfunction in a middle-aged male , rapid downhill course , slight or absent physical signs of cushing 's syndrome , frequently impaired glucose tolerance , markedly elevated plasma and urinary 17-hydroxycorticosteroids not suppressed by exogenous steroids , absent diurnal variation of plasma corticoids , hypokalemic alkalosis with normal aldosterone excretion , and tumour histology of the oat cell variety .
C0001622
adrenocortical hyperfunction
C0010481
cushing 's syndrome