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Cushing's Syndrome/Disease - 🧠 ANSWER ✔✔cortisol excess typically caused by
pituitary adenoma 60-70% of cases.
Central obesity w/ extremity wasting.
dorsocervical fat pad.
rounded facies.
spontaneous bruising.
purple striae
hyperpigmentation
, poor wound healing/ skin infections.
Dexamethasone suppression test.
1mg dexamethasone at 2300 hours and measure serum cortisol at 0800.
Remove sources of excess and manage consequences ( HTN, hypokalemia,
hyperglycemia.)
Addison's disease - 🧠 ANSWER ✔✔Primary
Caused by damage to the adrenal cortex (autoimmune, TB, metastatic disease,
deposition diseases, and drug induced) leading to a decrease in cortisol production.
Secondary
Caused by pituitary failure to release ACTH (in any hypopituitary disorder)
causing a decrease in cortisol production.
Sudden withdrawal of systemic corticosteroids leading to a decrease in cortisol
production from induced corticosteroid suppression.