Hipotireoidismo Flashcards

1
Q

Principal causa de hipotireoidismo primário

A

Tireoidite de Hashimoto

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2
Q

Principal causa de hipotireoidismo secundário

A

Hipopituitarismo

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3
Q

Quadro clínico da tireoidite aguda infecciosa

A

Assintomático
Pode haver dor, flogose, superação

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4
Q

Tipos de tireoidite subaguda

A

Tireoidite linfocitica indolor
Tireoidite granulomatosa de Quervain

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5
Q

Quadro clínico da tireoidite de Quervain

A

Dor cervical após infecção viral (1 a 3 semanas)
Tireotoxicose
Aumento de VHS

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6
Q

Tratamento da tireoidite de Quervain

A

AINE
Corticoide (se refratário)

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7
Q

Tipos de tireoidite crônica

A

Tireoidite fibrosante de Riedel
Tireoidite de Hashimoto

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8
Q

Tipo de câncer cujo risco é aumentado na tireoidite de Hashimoto

A

Linfoma cervical

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9
Q

Autoanticorpos da tireoidite de Hashimoto

A

Anti-TPO (95 a 100%)
Anti-Tg
TRAb

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10
Q

Quadro clínico da tireoidite de Hashimoto

A
  • Bócio
  • Hipotireoidismo (↓metabolismo)
  • Tireotoxicose (5%)
  • Hiperprolactinemia (galactorreia, amenorreia)
  • Dislipidemia
  • Mixedema
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11
Q

Laboratório da tireoidite de Hashimoto

A

↓T4L e ↑TSH

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12
Q

Tratamento da tireoidite de Hashimoto

A

Levotiroxina 1 a 2 µg/kg/dia de manhã

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13
Q

Definição de hipotireoidismo subclinico

A

Paciente assintomático + TSH muito elevado e T4L normal

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14
Q

Indicações de tratamento de hipotireoidismo subclinico

A

TSH ≥ 10
Anti-TPO + e/ou USG com tireoidite
Gestante
Sintomas inespecíficos
Dislipidemia ou doença CV em < 65 anos

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15
Q

Achado patognomônico de tireoidite de Hashimoto na PAAF

A

Células de Askanazy

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16
Q

Diferencial entre tireotoxicose por tireoidite subaguda e doença de Graves

A

Cintilografia: hipercaptante (Graves); hipocaptante (tireoidite)
RAIU: > 20% (Graves); < 5% (tireoidite)