Cushings Syndrome Flashcards

1
Q

Cushings syndrome is caused by excess?

A

Corticosteroid

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2
Q

Cortisol is what type of hormone action?

A

Catabolic

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3
Q

What happens to insulin in Cushings?

A

Insulin Antagonism

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4
Q

Presentation of Cushings? (11)

A
Skin Atrophy
Hypertension
Proximal Myopathy
Osteoporosis
Growth Arrest
Mooning
Hypokalaemia
Ostoepenia
Amenorrhoea
Hirtusim
Central Obesity
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5
Q

Causes of Cushings? (5)

A
Pituitary Tumour
ACTH Dependent
Ectopic ACTH
ACTH Independent
Corticosteroids
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6
Q

Ectopic ACTH Dependent causes of Cushings? (1)

A

Lung Carcinoid

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7
Q

ACTH Independent causes of Cushings? (2)

A

Adenoma or Carcinoma

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8
Q

ACTH Dependent causes of Cushings?

A

Cushings Disease/Pit Tumour

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9
Q

Physiological Causes of Cushings (5)

A
Pregnnacy
Glucorticoid Resistance
Depression
Obesity
Diabetes
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10
Q

Diagnosis of Cushings (4)

A

24 Hour Urinary Free Cortisol
Overnight Dexamethasone Suppression
Plasma ACTH
MRI

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11
Q

What does Urinary Free Cortisol do in Cushings?

A

Increase

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12
Q

If ACTH Decreases in Plasma ACTH what is the cause of Cushings?

A

ACTH Independent

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13
Q

If ACTH Increases in Plasma ACTH what is the cause of Cushings?

A

ACTH Dependent

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14
Q

What treatment can be given for Cushings?

A

Surgery
Adrenal Hormone Synthesis Inhibitors eg ketoconazole, ecomidate, metyrapone
Destroy Adrenal Cells: Mitotone

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15
Q

What tablet can be given to destroy adrenal cells in cushings?

A

Mitotone

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16
Q

What adrenal hormone synthesis inhibitors can be given in cushings (3)

A

Ketoconazole
Ecotmidate
Metyrapone

17
Q

What 4 Side effects from Glucocorticoid use?

A

Lipolysis
Gluconeogenesis
Suppressed Immune
Protein Catbaolism

18
Q

Most Common Cause of Cushings Syndrome/Disease?

A

Pituitary Tumour

19
Q

Most Common ACTH Dependent reason for Cushings?

A

Pituitary Tumour

20
Q

What should overnight dexamethasone suppression test result be to confirm cushings?

A

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