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Marcador Epitelial Flashcards

(21 cards)

1
Q

Panel primario

A

Ck positivo
Cd45 negativo
S100 negativo
Vim negativo

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2
Q

Ck7

A

Patrón citoplasmatico y membranoso
Identifica epitelio glándular
Se localiza en filamentos internos
Control +: piel, glándulas sudoriparas
Control- cerebro

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3
Q

CK20

A

Expresión citoplasmatica
Identifica epitelio gastrico intestinal
Control positivo: intestino delg
Control negativo: Cerebro

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4
Q

CEA

A

Antígeno carcino embrionario
Expresión en varios adenocarcinomas
Marcador de glándulas sudoriparas
Patrón citoplasmaticoo de membrana variable

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5
Q

CEA marcador positivo

A

Carcinoma medular de tiroides
ADC estomago
ADC esófago
ADC endocervical

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6
Q

CEA marcador negativo

A

Prostata
Riñón
Mesotelioma
Adenocarcinoma endometrial
Melanoma

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7
Q

EMA

A

Control mama y piel
Patrón de membrana
Antígeno membrana epitelial
Complemento de ck

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8
Q

EMA - CK +

A

Carcinoma hepatocelular
Carcinoma adrenal

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9
Q

EMA +

A

Meningioma, ADC colorrectal, mama y páncreas
Sarclma epiteloide
Carcinoma de células renales
Sarcoma sinovial

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10
Q

EMA -

A

Carcinoma adrenalina, semioma, hepatoma, melanoma, células mioepiteliales

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11
Q

TTF1

A

Factor de transcripcion tiroidea
Especifico de tejidos y tumores de tiroides
Patrón nuclear

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12
Q

TTF1 POSITIVO

A

Carcinoma medular tiroides
Carcinoma papilar y folicular de tiroides
ADC de pulmón
Hepatocarcinoma ( patrón citoplasmatico)

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13
Q

TTF1 NEGATIVO

A

Mesotelioma

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14
Q

Villina

A

Patrón de membrana y citoplasmatico difuso
Presente en células epiteliales con borde de cepillo

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15
Q

Villina positivo

A

ADC Gastrico
ADC colon
ADC intestino delgado
Control +: colon

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16
Q

Mucinas

A

Glicoproteinas de alto peso molecular, el mayor componente de la capa de música que protege el epitelio gastrico de químicos y agresiones mecánicas
Patrón citoplasma
MUC 1: Mama, páncreas, colon
MUC 2: Colon, intestino delg
MUC 5AC Estomago

17
Q

Gata 3

A

Patrón nuclear
Factor de transcripción
Positivo: cáncer de mama y carcinoma urotelial
Negativo: ADC pulmon, carcinoma seroso de ovario y ADC colon
Control: carcinoma de mama, urotelial

18
Q

Betacatenina

A

Factor de transcripción en el núcleo
Tumores + mama, colon, páncreas, vejiga
ADC patrón nuclear
ADC mama con patrón membrana
Patrón nuclear o de membrana

19
Q

CDX2

A

Factor de transcripción
Promueve diferenciación y mantenimiento del epitelio intestinal normal
Diferencia metástasis de colon vs pulmon
Patrón nuclear

20
Q

CDX2 positivo

A

ADC colon colorrectal
ADC intestino delgado
ADC apéndice
Carcinoma de mama
ADC estomago (-/+)

21
Q

CDX2 negativo

A

ADC pulmón
ADC prostata