hígado Flashcards

1
Q

vascularizacion hepática

A

Arteria hepática
venas Suprahepáticas
Vena Porta

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2
Q

procesos congenitos

A

Quiste simple
poliquistosis
sind Budd chiari

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3
Q

Quiste Hepático

A

Circular
membrana periferica
contenido econegatico
refuerzo posterior

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4
Q

Sd Budd Chiari

A

Obstruccion o agnesia de venas supra hepatica
Ausencia congenita de VSH
venas colaterales de VCI oermiten el drenaje

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5
Q

Lesiones Parenquimales Difusas

A

Hígado congestico (ICC, estenosis tricuspidea..)
Esteatosis (grasa en parenquima)
Cirrosis ( necrosis y fibrosis do hepatocito)

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6
Q

Hígado congestivo

A

Hepatomegalia
Parenquima hipoecoico
VSH dilatadas, inversion de flujo
VCI dilatada

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7
Q

Esteatosis hepática

A

hepatomegalia
bordes regulares
parenquima hiperecogenico
disminucion del diam de las VSH

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8
Q

Grados de Esteatosis

A

GRADO I: <33% de afectacion de hepatocitos
GRADO II: 33-66%
GRADO III: >66%

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9
Q

Cirrosis hepatica

A
volumen hepático disminuido 
bordes ondulados
VP incremento de diam (> 14mm)
VPH disminuida de diam
Hipertrofia del Seg 1
ascitis 
hepatomegalia
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10
Q

Tumores Hepáticos Benignos

A

Angioma
Adenoma
Hamartomas
Cistoadenoma

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11
Q

Angioma Capilar

A

masa pequeña, oval o circular

crescimiento lento

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12
Q

Adenomas hepáticos

A

lesion solitaria
DX incidental por dolor Hip.Der. por hemorragias
bien vascularizado

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13
Q

Hamartomas

A

Masa unica
tamaño variable ( de pocos cm a mas de 10 cm)
bordes definidos,polilobulados
* se es voluminoso origina aumento de tronco celíacoy de la aorta

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14
Q

MicroHamartoma

A

Complejo de Von Meyenburg
lesiones focales
Hallazgo incidental
refuerzo acustico post

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15
Q

Cistoadenoma

A

Masa multiquistica
membrana periferica
hipovascularizado
bordes ondulados definidos

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16
Q

Hepatocarcinoma

A
Tumor maligno
areas de necrosis y calcificaciones
dilatacion distales 
dilatacion VCI y AH
metastasis a distancia
hipervascularizado
17
Q

Quiste Hidatidico

A

lesion bien delimitada
paredes gruesas con calcificaciones
as veces uniloculado
frecuente multiloculado y con vesiculas hijas internas