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58 Cards in this Set
- Front
- Back
Layers of the adrenal gland, superficial to deep, including the hormones made?
|
Capsule, zona glomerulosa: aldosterone, zona fasciculata: glucocorticoids(cortisol), zona reticularis: sex steriods(estrogen and androgen), Medulla: catecholamines(epinephrine)
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Pathogenesis of Cushing syndrome?
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Pituitary of hyothalamic(Basophilic adenoma), Adrenal(tumor of hyperplasia), Paraneoplastic(small cell carcinoma of lung: ectopic ACTH), Iatrogenic(exogenous source: most common)
|
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Clinical manifestation of Cushing syndrome?
|
Central obesity, Moon facies, weakness and fatigability, Hirsutism, acne, Hypertension, plethora, diabetes, osteoporosis, psychosis, purple stria, easy bruising, poor wound healing
|
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Test to determine type of Cushing Syndrome?
|
Dexamethasone test.
Pituitary: resistant to low dose Ectopic: Completely insensitive Adrenal: Low ACTH |
|
Conn syndrome?
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Primary hyperaldosteronism, solitary adenoma of the cortex
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Clinical Manifestations of Primary hyperaldosteronism?
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Hypertension, sodium and water retention, hypokalemia, often with hypokalemic alkalosis, weakness, parasthesia, visual disterbances
|
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Renin level due to Primary hyperaldosteronism?
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Renin level decreases with due to negative feedback
|
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Causes of secondary hyperaldosronism serum renin?
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Renal ischemia, Renal tumor, edema. Serum renin is increased
|
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Pathogenesis of Adrenal virilism?
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Congenital enzyme defects (21/11-hydroxylase), lead to decrease cortisol, leads to increased ACTH, adrenal hyperplasia, increased androgenic steroid produced
|
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Congenital Adrenal Hyperplasia?
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AR, 90% of CAH, 21-hydroxylase deficiency (CYP21B), Salt wasting and andrigogenitalism
|
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Waterhouse-Freidrichsen Syndrome?
|
Hemorrhagic necrosis of adrenals due to Meningococcal meningitis. Associated with Disseminated intravascular Coaggulation(DIC).
Results in catastrophic adrenal insufficiency |
|
Primary acute adrenocortical insufficiency?
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Can be caused by rapid withdrawal of steroids when adrenals have been supressed for long time
|
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Primary Chronic adrenocortical insufficiency?
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Addison's disease
|
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Etiologies of Addison's disease?
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Autoimmune adrenalitis(70%)
Infectios(tuberculosis of fungi) Cancer Mets(lung, stomach and breast) |
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Autoimmune adrenalitis?
|
APS1: AIRE gene, candidiasis
APS2: Thyroiditis and DM type1 Isolated Autoimmine Addison's disease |
|
Layers of the adrenal gland, superficial to deep, including the hormones made?
|
Capsule, zona glomerulosa: aldosterone, zona fasciculata: glucocorticoids(cortisol), zona reticularis: sex steriods(estrogen and androgen), Medulla: catecholamines(epinephrine)
|
|
Pathogenesis of Cushing syndrome?
|
Pituitary of hyothalamic(Basophilic adenoma), Adrenal(tumor of hyperplasia), Paraneoplastic(small cell carcinoma of lung: ectopic ACTH), Iatrogenic(exogenous source: most common)
|
|
Clinical manifestation of Cushing syndrome?
|
Central obesity, Moon facies, weakness and fatigability, Hirsutism, acne, Hypertension, plethora, diabetes, osteoporosis, psychosis, purple stria, easy bruising, poor wound healing
|
|
Test to determine type of Cushing Syndrome?
|
Dexamethasone test.
Pituitary: resistant to low dose Ectopic: Completely insensitive Adrenal: Low ACTH |
|
Conn syndrome?
|
Primary hyperaldosteronism, solitary adenoma of the cortex
|
|
Clinical Manifestations of Primary hyperaldosteronism?
|
Hypertension, sodium and water retention, hypokalemia, often with hypokalemic alkalosis, weakness, parasthesia, visual disterbances
|
|
Renin level due to Primary hyperaldosteronism?
|
Renin level decreases with due to negative feedback
|
|
Causes of secondary hyperaldosronism serum renin?
|
Renal ischemia, Renal tumor, edema. Serum renin is increased
|
|
Pathogenesis of Adrenal virilism?
|
Congenital enzyme defects (21/11-hydroxylase), lead to decrease cortisol, leads to increased ACTH, adrenal hyperplasia, increased androgenic steroid produced
|
|
Congenital Adrenal Hyperplasia?
|
AR, 90% of CAH, 21-hydroxylase deficiency (CYP21B), Salt wasting and andrigogenitalism
|
|
Waterhouse-Freidrichsen Syndrome?
|
Hemorrhagic necrosis of adrenals due to Meningococcal meningitis. Associated with Disseminated intravascular Coaggulation(DIC).
Results in catastrophic adrenal insufficiency |
|
Primary acute adrenocortical insufficiency?
|
Can be caused by rapid withdrawal of steroids when adrenals have been supressed for long time
|
|
Primary Chronic adrenocortical insufficiency?
|
Addison's disease
|
|
Etiologies of Addison's disease?
|
Autoimmune adrenalitis(70%)
Infectios(tuberculosis of fungi) Cancer Mets(lung, stomach and breast) |
|
Layers of the adrenal gland, superficial to deep, including the hormones made?
|
Capsule, zona glomerulosa: aldosterone, zona fasciculata: glucocorticoids(cortisol), zona reticularis: sex steriods(estrogen and androgen), Medulla: catecholamines(epinephrine)
|
|
Autoimmune adrenalitis?
|
APS1: AIRE gene, candidiasis
APS2: Thyroiditis and DM type1 Isolated Autoimmine Addison's disease |
|
Pathogenesis of Cushing syndrome?
|
Pituitary of hyothalamic(Basophilic adenoma), Adrenal(tumor of hyperplasia), Paraneoplastic(small cell carcinoma of lung: ectopic ACTH), Iatrogenic(exogenous source: most common)
|
|
Clinical manifestation of Cushing syndrome?
|
Central obesity, Moon facies, weakness and fatigability, Hirsutism, acne, Hypertension, plethora, diabetes, osteoporosis, psychosis, purple stria, easy bruising, poor wound healing
|
|
Test to determine type of Cushing Syndrome?
|
Dexamethasone test.
Pituitary: resistant to low dose Ectopic: Completely insensitive Adrenal: Low ACTH |
|
Conn syndrome?
|
Primary hyperaldosteronism, solitary adenoma of the cortex
|
|
Clinical Manifestations of Primary hyperaldosteronism?
|
Hypertension, sodium and water retention, hypokalemia, often with hypokalemic alkalosis, weakness, parasthesia, visual disterbances
|
|
Renin level due to Primary hyperaldosteronism?
|
Renin level decreases with due to negative feedback
|
|
Causes of secondary hyperaldosronism serum renin?
|
Renal ischemia, Renal tumor, edema. Serum renin is increased
|
|
Pathogenesis of Adrenal virilism?
|
Congenital enzyme defects (21/11-hydroxylase), lead to decrease cortisol, leads to increased ACTH, adrenal hyperplasia, increased androgenic steroid produced
|
|
Congenital Adrenal Hyperplasia?
|
AR, 90% of CAH, 21-hydroxylase deficiency (CYP21B), Salt wasting and andrigogenitalism
|
|
Waterhouse-Freidrichsen Syndrome?
|
Hemorrhagic necrosis of adrenals due to Meningococcal meningitis. Associated with Disseminated intravascular Coaggulation(DIC).
Results in catastrophic adrenal insufficiency |
|
Primary acute adrenocortical insufficiency?
|
Can be caused by rapid withdrawal of steroids when adrenals have been supressed for long time
|
|
Primary Chronic adrenocortical insufficiency?
|
Addison's disease
|
|
Etiologies of Addison's disease?
|
Autoimmune adrenalitis(70%)
Infectios(tuberculosis of fungi) Cancer Mets(lung, stomach and breast) |
|
Autoimmune adrenalitis?
|
APS1: AIRE gene, candidiasis
APS2: Thyroiditis and DM type1 Isolated Autoimmine Addison's disease |
|
Clinical manifestation of Addison's Disease?
|
Weakness and easy fatigability, GI:NVD, weightloss, Hyperpigmentation(increase ACTH/MSH), hyperkalemia, hyponatremia, volume depetion, hypotension, hypoglycemia
|
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Causes of Secondary Adrenocortical insufficiency?
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Pituitary and hypothalamus: mets, cancer, infarction, irradiation, no hyperpigmentation, no hyperkalemia/hyponatremia
|
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Chromaffin cells?
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From neural crest cells, synthesize and release catecholamines(EPI and NE) in response to preganglionic sypathetic nerve cells
|
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Pheochromocytoma's rules of 10?
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10% familial
10% Extrarenal(paragangliomas) 10% of nonfamilial are bilateral 10% arise in childhood(m>f) |
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Benign of malignant Pheochromocytoma?
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Mets are the only way to tell
|
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Clinicall manifestation of Pheochromocytoma?
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Hypertension: sustained of paroxysmal, headache, sweating, anxiety, tremor, acute MI, CHF, V-fib, Stroke
|
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Diagnosis of Pheochromocytoma?
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Increased urine excretion of catecholamines and metabolites (Vanillylmandelic acid:VMA and metanephrines)
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When do you get a Neuroblastoma?
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Early Chidhood
|
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What is a Neuroblastoma?
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Malignant catecholamine-producing tumor found in adrenal medula or extra-adrenal paraganglionic tissue
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Clinical Manefistation of Neuroblastoma?
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90% before age 5, large abdominal mass in younger children, Hypertension, sometimes differentiat into benign cells and stop making N-myc gene
|
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Tumors in MEN-I?
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Parathyroid: hyperplasia, adenoma
Pituitary adenoma Pancreas: Hyperplasia, adenoma, carcinoma MEN-I Gene |
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Tumors in MEN-IIa?
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Thyroid medullary carcinoma (c-cell)
Pheochromocytoma Hyperparathyroid RET gene |
|
Tumors in MEN-IIb?
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Thyroid Medullary Carcinoma
Pheochromocytoma Ganglioneuromas Marfanoid Habitus |