Anatomical study of the pigs temporal bone by microdissection

Anatomical study of the pigs temporal bone by microdissection

Autor Garcia, Leandro de Borborema Autor UNIFESP Google Scholar
Andrade, José Santos Cruz de Autor UNIFESP Google Scholar
Testa, Jose Ricardo Gurgel Autor UNIFESP Google Scholar
Instituição Universidade Federal de São Paulo (UNIFESP)
Resumo PURPOSE:Initial study of the pig`s temporal bone anatomy in order to enable a new experimental model in ear surgery.METHODS:Dissection of five temporal bones of Sus scrofa pigs obtained from UNIFESP - Surgical Skills Laboratory, removed with hole saw to avoid any injury and stored in formaldehyde 10% for better conservation. The microdissection in all five temporal bone had the following steps: inspection of the outer part, external canal and tympanic membrane microscopy, mastoidectomy, removal of external ear canal and tympanic membrane, inspection of ossicular chain and middle ear.RESULTS:Anatomically it is located at the same position than in humans. Some landmarks usually found in humans are missing. The tympanic membrane of the pig showed to be very similar to the human, separating the external and the middle ear. The middle ear`s appearance is very similar than in humans. The ossicular chain is almost exactly the same, as well as the facial nerve, showing the same relationship with the lateral semicircular canal.CONCLUSION:The temporal bone of the pigs can be used as an alternative for training in ear surgery, especially due the facility to find it and its similarity with temporal bone of the humans.
Palavra-chave Models, Animal
Temporal Bone
Sus Scrofa
Ear Surgery
Idioma Inglês
Data de publicação 2014-01-01
Publicado em Acta Cirurgica Brasileira. Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia, v. 29, p. 69-72, 2014.
ISSN 0102-8650 (Sherpa/Romeo, fator de impacto)
Publicador Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia
Extensão 69-72
Fonte http://dx.doi.org/10.1590/S0102-86502014001300013
Direito de acesso Acesso aberto Open Access
Tipo Artigo
Web of Science WOS:000342065000014
SciELO S0102-86502014001300014 (estatísticas na SciELO)
Endereço permanente http://repositorio.unifesp.br/handle/11600/8147

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