A four day old female infant was admitted because of poor feeding, vomiting and jaundice. Laboratory examination showed hyperkalemia, mild hyponatremia and renal tubular acidosis type 4. Serum aldosterone and plasma renin activity were elevated but serum cortisol, 17 -hydroxyprogesterone, ACTH, 24 hour urinary 17- ketoste roid, pregnanetriol, renal function and sonogram were normal and henc...

Cushing syndrome (CS) is an endocrinological disorder characterized by increased blood cortisol level. It either due to excessive endogenous release of steroids (e.g., pituitary adenoma or adrenal hyperplasia) exogenous administration steroids. Iatrogenic the most common form syndrome. The vast majority cases are oral parenteral steroid preparations, which commonly prescribed for pulmonary, ren...