2-3-2 Pathology of the adrenal cortex and radioisotopic investigation

2- Primary hyperaldosteronism

• Alteration of renal tubular function : polyuria - polydipsia
  
  
• Potassium depletion : kaliemia , kaliuria , alcalose
  
  
• Increased reabsorption of sodium and water.
  (Natremia , hypervolemia without oedema, hematocrit because of dilution)
  
  
• Arterial hypertension.
  
  
• More frequent cause :
  adrenocortical adenoma or Conn syndrome.