cavidades nasais e seios perinasais
TRANSCRIPT
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Cavidades Nasais e Seios PerinasaisElaborado por:
Ana Rita Rodrigues nº 2013136Daniela Costa nº 2013430João Augusto Ribeiro nº2013233Sara Silva nº 2009301Zenito Cruz nº 2013428
Turma 6
UC: Imagiologia e Anatomia ClínicasDocente: Professor Doutor Tiago Bilhim
Abril de 2015
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Limites
Paredes
Medial
Lateral
Superior (ou
abóbada)
Inferior (ou pavimento)
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Limites
Paredes
Medial
Lateral
Superior (ou
abóbada)
Inferior (ou pavimento)
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Limites
Paredes
Medial
Lateral
Superior (ou
abóbada)
Inferior (ou pavimento)
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Limites
Paredes
Medial
Lateral
Superior (ou
abóbada)
Inferior (ou pavimento)
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Limites
Orifícios
Anterior
Posterior (Coanos)
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Seios Perinasais – Visão geral
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Radiografia Convencional
Método auxiliar mais antigo no diagnóstico de rinossinusites
Rápido e económico
Técnica limitada
TC (1ª linha)
Detalhes anatómicos e ósseos
Visualização de variações anatómicas
Deteção de processos erosivos e deficiências
adquiridas ósseas
Deteção de patologias
RM
Melhor resolução de tecidos moles
Importante quando a doença sino-nasal se alastra para o
seio cavernoso e compartimento intracraniano
Através das janelas T1 e T2 distinguir entre as diferentes
patologias
Sequências T1 e T2 ‘fat-supressed’, para visualização
de extravasamento extrasinusal da doença
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Radiografia Convencional TC (1ª linha) RM
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Radiografia Convencional
Incidências Radiográficas
Frontonaso (Caldwell)
Mentonaso (Waters)
Perfil Axial de Hirtz
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Linhas do crânio
• - Auxiliam no posicionamento em exames de crânio e face.
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Frontonaso (Caldwell)
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Mentonaso (Waters)
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Variante da incidência de Waters-
Incidência de Blondeau
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Em crianças:
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Perfil
Sentado ou em Ortostatismo
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Axial de Hirtz
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Tomografia Computorizada
Cortes TC
Coronal Sagital Axial
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Seios Perinasais – Corte Coronal
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Seios Perinasais – Corte Axial
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Seios Perinasais – Corte Sagital
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Seios Frontais
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Variações do processo uncinado e
alterações das vias de drenagem
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Alterações no tamanho da bolha etmoidal
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Células de Kuhn
TIPO I TIPO II
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Células de Kuhn
TIPO III TIPO IV
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Seio maxilar
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Seio maxilar – Variações Anatómicas
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Células de Haller
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Seio Esfenoidal
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Seio Esfenoidal
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Células de Onodi
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Células de Onodi
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Concha Bullosa
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Fóvea etmoidal e Base Anterior do Crânio
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Fóvea etmoidal e Base Anterior do Crânio
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TAC Volumétrica na Cirurgia Endoscópica Funcional
dos Seios Paranasais
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Acesso ao seio maxilar
Acesso ao Seio Maxilar
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Acesso às células etmoidais
Acesso às Células Etmoidais
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Acesso ao seio esfenoidal
Acesso ao Seio Esfenoidal
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Acesso ao seio frontalAcesso ao Seio Frontal
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Bibliografia• RYAN, Mc icholas, Eustace; Anatomy for Diagnostic Imaging 3rd Ed., Saunders
Elsevier,
• MOORE Keith L., Dalley Arthur F. and Anne M.R.;Clinically Oriented Anatomy 6th Ed. Wolters Kluwer / Lippincott Williams & Wilkins (2010)
• NETTER, Frank H.; Atlas de Anatomia Humana; 5ªEd. Artmed Editora
• Gray’s Anatomy: The Anatomical Basis of Clinical Practice ; 20th Ed.; Elsevier –Susan Standring
• BEALE Thimothy J.; MADANI Gitta; MORLEY Simon J.; Imaging of the Paranasal Sinuses and Nasal Cavity: Normal Anatomy and Clinically Relevant Anatomical Variants; 2008
• MOSSA-BASHA Mahmud; BLITZ Ari M.; Imaging of the Paranasal Sinuses 2013
• WORMALD Peter John; The Agger Nasi cell: The key to understanding the anatomy of the frontal recess; 2003
• DANIELS David. L; MAFEE Mahmood F.; The Frontal Sinus Drainage Pathway and Related Structures; 2003
• HOANG Jenny K.; EASTWOOD James D.; TEBBIT Christopher L.; GLASTONBURY Christine M.; Multiplanar Sinus CT: A Systematic Approach to Imaging Before Functional Endoscopic Sinus Surgery; 2010
• MORAL A.I., KUNKEL M. E., TINGELHOFF K., 3D Endoscopic Approach for Endonasal Sinus Surgery 2007
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Bibliografia• CÁNOVAS, I; GARCIA-GARRIGÓS, E. Radiological Anatomy of the Ethmoidal
Arteries: CT Cadaver Study; 27 April 2011
• T. Hiyama, M. Shiigai
• HIYAMA, T; SHIIGAI, M.; The ethmoid bone: clinical imaging anatomy from an embryological point of view; 2013
• SOUZA, S.; SOUZA, M; Anterior Ethmoidal Artery Evaluation on Coronal CT Scans; Braz J Otorhinolaryngol; 2009.
• http://www.radiologyassistant.nl/en/p491710c96a36d/paranasal-sinuses-mri.html
• http://uwmsk.org/sinusanatomy2/
• http://pt.slideshare.net/rocha1979/aula-cientfica-sobre-seios-paranasais-cavum-e-vias-areas-superiores-2013-revisada
• http://lessons4medicos.blogspot.pt/2009/02/onodi-cell-haller-cell.html
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Trajeto da Artéria Etmoidal Anterior
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Trajeto da Artéria Etmoidal Anterior