Quantification of the Advantages of the Extended Frontal Approach to Skull Base
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Quantification of the Advantages of the Extended Frontal Approach to Skull Base
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| Id. |
18114631 |
| Idioma |
inglés
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| Titulo |
Quantification of the Advantages of the Extended Frontal Approach to Skull Base |
| Autor(es) |
Acharya, Rajesh
Shaya, Mark
Kumar, Ravi
Caldito, Gloria C.
Nanda, Anil
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| Localización |
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1151683
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| Versión |
1.0 |
| Estado |
Final
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| Descripción |
This anatomic study evaluated the extent that a fronto-orbital osteotomy (FOO) added to a bilateral frontal craniotomy widened the exposure to the midline compartment of the anterior, middle, and posterior cranial fossae. The goal was to determine if osteotomy would significantly increase angles for two targets: the foramen magnum (FM) and anterior clinoid process (ACP). Stepwise dissections were performed on five cadaveric heads. A bilateral frontal craniotomy was made, followed by FOO. After the ethmoids were removed, the planum sphenoidale was drilled to enter the sphenoid sinus. Further drilling exposed the anterior clivus, which was drilled down to FM. Excellent exposure of the basilar artery, vertebral artery, and brain stem was achieved. With and without FOO, angles of exposure were measured for two targets: the ACP and FM. The angle of exposure after FOO increased markedly with an average gain of 76% for the ACP and of 80% for FM. Compared with a conventional bifrontal craniotomy, the addition of FOO increased the surgical exposure and minimized frontal lobe retraction for accessing lesions of the anterior, middle, and posterior cranial fossae.
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| Palabras clave |
Original Article
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| Tipo de recurso |
Text
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| Tipo de Interactividad |
Expositivo
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| Nivel de Interactividad |
muy bajo
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| Audiencia |
Estudiante
Profesor
Autor
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| Estructura |
Atomic |
| Coste |
no
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| Copyright |
sí
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Copyright © 2004 by Thieme Medical Publishers, Inc., 333 Seventh Avenue, New York, NY 10001, USA. |
| Requerimientos técnicos |
Browser: Any
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| Fecha de contribución |
04-mar-2008 |
| Contacto |
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