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Adrenal gland disorders (or diseases) are conditions that interfere with the normal functioning of the adrenal glands. [1] Your body produces too much or too little of one or more hormones when you have an adrenal gland dysfunction. The type of issue you have and the degree to which it affects your body's hormone levels determine the symptoms.
Causes of adrenal insufficiency can be categorized by the mechanism through which they cause the adrenal glands to produce insufficient cortisol. These are adrenal destruction (disease processes leading to glandular damage), impaired steroidogenesis (the gland is present but is biochemically unable to produce cortisol), or adrenal dysgenesis ...
Addison's disease, also known as primary adrenal insufficiency, [4] is a rare long-term endocrine disorder characterized by inadequate production of the steroid hormones cortisol and aldosterone by the two outer layers of the cells of the adrenal glands (adrenal cortex), causing adrenal insufficiency.
Waterhouse–Friderichsen syndrome (WFS) is defined as adrenal gland failure due to bleeding into the adrenal glands, commonly caused by severe bacterial infection. Typically, it is caused by Neisseria meningitidis. [1] The bacterial infection leads to massive bleeding into one or (usually) both adrenal glands. [2]
Infiltrative disorders like sarcoidosis, amyloidosis, and haemochromatosis have also been known to cause adrenal insufficiency. Hemorrhages in the pituitary and adrenal glands, Waterhouse–Friderichsen syndrome, vasculitis, pituitary apoplexy, and Sheehan's syndrome are vascular disorders that can cause adrenal insufficiency. Tumors on the ...
Secondary hyperaldosteronism (also hyperreninism, or hyperreninemic hyperaldosteronism) is due to overactivity of the renin–angiotensin–aldosterone system (RAAS).. The causes of secondary hyperaldosteronism are accessory renal veins, fibromuscular dysplasia, reninoma, renal tubular acidosis, nutcracker syndrome, ectopic tumors, massive ascites, left ventricular failure, and cor pulmonale.
This leads to problems with the development of the adrenal glands, two structures in the brain (the hypothalamus and pituitary gland), and reproductive tissues (the ovaries or testes). These tissues are important for the production of many hormones that control various functions in the body.
Primary hyperaldosteronism has a number of causes. About 33% of cases are due to an adrenal adenoma that produces aldosterone, and 66% of cases are due to an enlargement of both adrenal glands. [1] Other uncommon causes include adrenal cancer and an inherited disorder called familial hyperaldosteronism. [6]
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