Nosulos Tiroideos Flashcards

1
Q

Defincion

A

Cualquier crecimiento anormal de las células tiroideas

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2
Q

Epidemiologia de los nódulos

A

90% benignos
10% malignos

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3
Q

Factores de riesgo

A

AHF de nódulos o Ca tiroideo
Radiación en cabeza o cuello
Ganglios palpables
Nodulo con microcalcificaciones o bordes irregulares

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4
Q

Cuadro clínico

A

Síntomas locales: disfagia, disfonía, adenopatías cervicales, parálisis de las cuerdas vocales
Invasivos: dolor del cuello que se irradia al pabellón articular
Sistémicos: hipo o hipertiroidismo

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5
Q

Que se evalúa en un USG

A

Localización
Tamaño
Composición: quístico o sólido
Ecogenicidad: iso, híper, hipoecoico
Margen: bien delimitado, irregular
Pseudonódulos: cambios macroquisticos o bandas fibrosas
Focos ecogenicos: cola de cometa o microcalficaciones

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6
Q

Escala TIRADS 1

A

0 puntos
Benigno
No BAAF

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7
Q

Escala TIRADS 2

A

Puntos 1
No sospechoso
No BAAF

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8
Q

Escala TIRADS 3

A

3 puntos
Poco sospechoso
BAAF solo si mide >2.5

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9
Q

Escala TIRADS 4

A

4-6 puntos
Sospecha moderada
BAAF si es >1.5 cm

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10
Q

Escala TIRADS 5

A

> 7 puntos
Muy sospechoso
BAAF si mide >1 cm

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11
Q

Clasificación Bethesda l

A

Insatisfactorio o no da Dx
Repetir BAAF

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12
Q

Bethesda ll

A

Benigno
Valoración cada 6-12 meses
0-3%

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13
Q

Bethesda lll

A

Significado indeterminado o lesión folicular indeterminada
Repetir BAAF
5-15%

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14
Q

Bethesda IV

A

Neoplasia folicular
Qx y marcadores tumorales
15-30%

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15
Q

Bethesda V

A

Sospecha de malignidad
Cirugía
60-75%

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16
Q

Bethesda VI

A

Maligno
Cirugía
97-99%