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DR.HUITRON > EJE HIPOTALAMO-HIPOFISIS, ACROMEGALIA > Flashcards

EJE HIPOTALAMO-HIPOFISIS, ACROMEGALIA Flashcards

1
Q

inhibe la hormona HG

A

SOMATOSTATINA

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2
Q

HORMONAS que se producen en la adenohipofisis

A 
HG
ADRENOCORTICOTROPA
TIROTROPINA
PROLACTINA
FSH
LH
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3
Q

HORMONAS QUE ALMACENAN EN NEUROHIPOFISIS

A

ANTIDIURETICA

OXITOCINA

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4
Q

Capa renal que produce aldosterona

A

aldosterona

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5
Q

capa renal que produce cortisol

A

fascicular

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6
Q

capa renal que produce dehidroepiandrosterona

A

reticular

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7
Q

capa renal que produce catecolaminas

A

medular

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8
Q

mecanismo de acción de HG

A

Formación de hueso nuevo: condrocitos celulas osteogenicas

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9
Q

sustancia que aumenta la acción de la HG

A

SOMATOMEDINA C

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10
Q

Diagnostico de HG

A

IGF1 ELEVADO

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11
Q

Que factores son los que estimulan la HG

A 
INANICION
HIPOGLUCEMIA
BAJA DE ACIDOS GRASOS
EJERCICIO/EXCITACION
PRIMERAS 2 HORAS DEL SUEÑO PROFUNDO
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12
Q

DEFINICION DE ACROMEGALIA

A

asociada a una hipersecrecion de HGh, y por lo tanto crecimiento de huesos y partes blandas que ocurre después de cierre epifisario

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13
Q

si no hay cierre epifisiario habrá

A

gigantismo

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14
Q

a que se le denomina macroadenoma

A

> 10 mm

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15
Q

cuadro clinico de acromegalia

A 
sudoración
fatiga
intolerancia al calor
aumento de peso
cefalea
disminución de la vision
manos húmedas calientes y carnosas
prominencia frontal
disminución de la vision 
artralgias
ICC
BOCIO
SX TURNEL DEL CARPO
ESTERILIDAD
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16
Q

MEN 1

A

ACROMEGALIA
HIPERPARATIROIDISMO
SX. ZOLLINGER ELLISON

17
Q

SINTOMA PRINCIPAL DE SX ZOLLINGER ELLISON

A

ULCERA

18
Q

como se realiza el diagnostico de acromegalia

A

supresión de HG con glucosa ( se descarta si HG < 1 ng/ml)

se confirma acromegalia si HG > 2 NG/ML

19
Q

TUMOR MAS FRECUENTE DE ADENOHIPOSIFIS

A

PROLACTINOMA

20
Q

laboratorios de acromegalia

A

DM
HIPERCALCIURIA
HIPERCALCEMIA
HIperprolactinemia

21
Q

estudios de imagen para acromegalia

A

TAC Y RM

RX AUMENTO DEL COJIINETE DEL TALON

22
Q

TRATAMIENTO DE ELECCION EN ACROMEGALIA

A

CIRUGIA ABORDAJE TRANSESFENOIDAL

23
Q

Seguimiento postquirurgico de acromegalia

A

resonancia valora curación mensual, cada 6 meses

24
Q

si se trata de macroadenoma tratamiento

A

agonista de la dopamina: cabergolina o bromocriptina ya que reduce el tamaño del tumor

25
Q

tumor que no quede totalmente resecado maniobra a realizar

A

radiación hipofisiaria

26
Q

bloquea la producción de GCI-1

A

Pegvisomant

27
Q

la tiroides secreta principalmente

A

T4

DR.HUITRON (106 decks)

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