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Terms in this set (16)
STIMULATION TESTS - evaluate Hypofunctioning disorders
Example: ACTH stimulation test is used in the workup of Hypocortisolism
CAUSES OF HYPOFUNCTION:
1) Autoimmune Destruction:
- Addison's Dx
- Hashimoto's Thyroiditis
** Most common cause of Endocrine gland hypofunction is Autoimmune Dx
2) Infarction:
- Sheehan's Postpartum Necrosis
- Waterhouse-Friderichsen Syndrome
3) Decreased H'mone Stimulation:
- decreased TSH in Hypopituitarism
4) Enzyme deficiency, infection, neoplasia, congenital disorder
Example: ACTH stimulation test is used in the workup of Hypocortisolism
CAUSES OF HYPOFUNCTION:
1) Autoimmune Destruction:
- Addison's Dx
- Hashimoto's Thyroiditis
** Most common cause of Endocrine gland hypofunction is Autoimmune Dx
2) Infarction:
- Sheehan's Postpartum Necrosis
- Waterhouse-Friderichsen Syndrome
3) Decreased H'mone Stimulation:
- decreased TSH in Hypopituitarism
4) Enzyme deficiency, infection, neoplasia, congenital disorder
SUPPRESSION TESTS - evaluate HYPERfunctioning disorders
Example: Dexamethasone Suppression Test evaluates Hypercortisolism
Most hyperfunctioning disorders can NOT be suppressed
** Exceptions are Prolactinoma & Pituitary Cushing syndrome
CAUSES OF HYPERFUNCTION:
1) Adenoma
2) Acute Inflammation
3) Hyperplasia
4) Cancer
Example: Dexamethasone Suppression Test evaluates Hypercortisolism
Most hyperfunctioning disorders can NOT be suppressed
** Exceptions are Prolactinoma & Pituitary Cushing syndrome
CAUSES OF HYPERFUNCTION:
1) Adenoma
2) Acute Inflammation
3) Hyperplasia
4) Cancer