Microscopia Especular Flashcards by Amanda Souza do Nascimento | Brainscape

Q

Pleomorfismo

A

Variação no formato das células endoteliais

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Q

Polimegatismo

A

Variação no tamanho das células endoteliais

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Q

Critérios a se observar inicialmente para considerar o exame fidedigno

A

Nitidez da imagem
Nº de células

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Q

Limite mínimo de nº de células endoteliais

A

150 (podendo variar conforme cada caso)

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Q

Densidade endotelial

A

10⁶ ÷ área celular média

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Q

Redução da densidade endotelial ao ano

A

0,2% - 0,6% / ano

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Q

Limiar de descompensação endotelial

A

700 - 400 céls/mm²

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Q

Coeficiente de variação endotelial

A

Variação no tamanho celular

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Q

O coeficiente de variação denota…

A

A estabilidade funcional do endotélio

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Q

Valor normal do coeficiente de variação

A

até 40%

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Q

Coeficiente de variação > 40%

A

polimegatismo

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Q

Causas de polimegatismo

A

Idade
Hipoxia
Trauma
Infecção
Distrofia

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Q

% normal de células hexagonais

A

> 50%

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Q

A

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