8_Nýrnahettusjúkdómar Flashcards

1
Q

uppruni nýrnahettu cortex?

A

Mesoderm

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2
Q

uppruni nýrnahettu medullu?

A

Neural crest

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3
Q

Hvað heita lögin í cortex?

A

Glomerulosa
Fasciculata
Reticularis

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4
Q

Hvaða hormón framleiðast og hver framleiðast ekki í Adrenogenital syndrome?

A

Aldósterón og kortisól framleiðast ekki en meira framleiðast af kynhormónum

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5
Q

Hvaða galli er í adrenogenital syndrome?

A

Skortur á 21-hydroxylasa

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6
Q

Orsakir Cushing syndrome?

A

1) Steragjöf (oftast)
2) cancer eða hyperplasia í nýrnahettu eða heiladingli
3) Ectopic seytun á ACTH

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7
Q

Hvað veldur bilateral adrenal hyperplasiu?

A

Ofgnótt ACTH

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8
Q

Hvað veldur Acut adrenal insufficiency? (2)

A

1) Skemmd vegna bacteremiu

2) Steragjöf snögglega hætt eftir að atrophy er farið að myndast

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9
Q

Hvað veldur Chronic adrenal insufficiency?

A

Aðallega Addisons

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10
Q

Hvað er pheochromocytoma?

A

Æxli í chrromaffin frumum nýrnahettu medullu og framleiðir catecholamine

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11
Q

Hvað er 10% tumorinn?

4 atriði

A
Pheochromocytoma
10% eru arfgengt
10% eru bilateral
10% eru í börnum
10% eru illkynja
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12
Q

2 staðreyndir um Neuroblastoma

A

1) Aðallega í börnum undir 5 ára

2) Koma oft í adrenal kirtla

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