Nocoes basicas de CT. Anatomia tomografica basica do cranio tomografia.
Transcript of Nocoes basicas de CT. Anatomia tomografica basica do cranio tomografia.
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Nocoes basicas de CT
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• Anatomia tomografica basica do cranio
tomografia
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Lobos
Frontal
Parietal
Occipital
Temporal
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Cortes axiais
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Anatomia tomografica dos lobos em 4 dicas.
1 . Limite entre o lobo frontal e parietal
2 . Limite entre o lobo temporal e frontoparietal
3 . Limite entre o parietal e occipital
4. Limite entre temporal e occipital
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1 . Limite entre o lobo frontal e parietal
Sulco central
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1 . Limite entre o lobo frontal e parietal
Sulco central
Ache os giros paralelos – pre e pos central
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2 . Limite entre o lobo temporal e frontoparietal
Fissura silviana
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Fissura silviana
2 . Limite entre o lobo temporal e frontoparietal
Procure o sinal do chifre
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3 . Limite entre o parietal e occipital
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3 . Limite entre o parietal e occipital
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4. Limite entre temporal e occipital
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•veia labbe
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tomografia
- Entendendo as densidades.
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tomografia
• RX – baixa diferenciacao tecidual
• Osso, sangue, tecidos moles, gordura e ar
• Hiper/hipoatenuante ou hiper/hipodensa
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Osso, sangue, tecidos moles, gordura e ar
densidade
+ -
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Substancia branca hipodensa em relacao ao cortex(substancia cinzenta
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Microcalcificacoes - neurocisticercose
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Hematoma parenquimatoso e intraventricular
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Gordura – lipoma fissura silviana
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Godura + calcio + tecidos moles = Teratoma
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Avc- agudo – edema citotoxicoAvc antigo ou sequelas – morte celular