Patologías pediátricas del tracto gastrointestinal Flashcards

(21 cards)

1
Q

Trastorno congenito mas comun de obstrucción en el neonato por aganglionosis del colon distal y recto

A

Enf. hirschprung

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2
Q

Divisiones anatómicas de Enf. Hirschprung

A

Segmento corto 75%
Segménto untracorto
Segménto largo 15%
Aganglionosis colonica total

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3
Q
A

Segmento corto 75% A
Segménto untracorto B
Segménto largo 15% C
Aganglionosis colonica total D,E

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4
Q

Características Rx de Enf. Hirschprung

A

Distension de asas intestinales
Pared engrosada e irregular
Ausencia de gas en colon distal

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5
Q
A

Hirschprung

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6
Q

Características colon por enema Hirschprung

A

Dientes en sierra en segmento aganglionico
Pequeño calibre dilatación proximal

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7
Q
A

Colon por enema Hirschprung

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8
Q

Ausencia de continuidad del esofago asociado a fístula traqueoesofagica

A

Atresia esofágica

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9
Q

TIpo mas comun de atresia esofágica

A

Tipo C

Fistula traqueoesofagica

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10
Q

Características Rx atresia esofágica

A

Bolsa faringea dilatada
Traquea dilatada

Gas en estomago e intestino = fistula
Sin gas en estomago e intestino = sin fistula

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11
Q
A

A: con fistula
B: sin fistula

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12
Q

Fluoroscopia

A

A: fistula traqueesofagica
B: Atresia

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13
Q

Características atresia esofágica en US

A

No se visualiza estomago fetal
Polihidramnios

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14
Q

Características RM Atresia esofágica

A

Liquido en bolsa esofágica
Estomago no distendido
Polihidramnios

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15
Q

Necrosis isquémica de la mucosa intestinal mas comun en <1500gr al naces

A

Enterocolitis necrotizante

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16
Q

Características enterocolitis necrotizante en Rx

A

Gold standard
Asas distendidas en cuadrante inferior
Pneumatosis (gas en paredes del colon)
Asa centinela
Gas portal
Pneumoperitoneo

17
Q
A

Enterocolistis necrotizante

Pneumatosis

18
Q
A

Enterocolitis Necrotozante

19
Q

Características Enterocolitis Necrotizante en Us

A

Engrosamiento de pared intestinal
Foco hiperecoicos en pared
Dopple ve isquémia

20
Q
21
Q
A

Focos hiperecoicos en pared