Artículo
Anatomy of the inferior orbital fissure: Implications for endoscopic cranial base surgery
de Battista, Juan Carlos
; Zimmer, Lee A.; Theodosopoulos, Philip V.; Froelich, Sebastien C.; Keller, Jeffrey T.
Fecha de publicación:
04/2012
Editorial:
Thieme Medical Publishers
Revista:
Journal of Neurological Surgery, Part B: Skull Base
ISSN:
2193-6331
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
Considering many approaches to the skull base confront the inferior orbital fissure (IOF) or sphenomaxillary fissure, the authors examine this anatomy as an important endoscopic surgical landmark. In morphometric analyses of 50 adult human dry skulls from both sexes, we divided the length of the IOF into three segments (anterolateral, middle, posteromedial). Hemotoxylin- and eosin-stained sections were analyzed. Dissections were performed using transnasal endoscopy in four formalin-fixed cadaveric cranial specimens (eight sides); three endoscopic approaches to the IOF were performed.IOF length ranged from 25 to 35 mm (mean 29 mm). Length/width of the individual anterolateral, middle, and posteromedial segments averaged 6.46/5, 4.95/3.2, and 17.6/ 2.4 mm, respectively. Smooth muscle within the IOF had a consistent elationship with several important anatomical landmarks. The maxillary introstomy,total ethmoidectomy approach allowed access to the posteromedial segment of the fissure. The endoscopic modified, medial maxillectomy approach allowed access to the middle and posterior-medial segment. The Caldwell-Luc approach allowed complete exposure of the IOF. The IOF serves as an important anatomic landmark during endonasal endoscopic approaches to the skull base and orbit. Each of the three segments provides a characteristic endoscopic corridor, unique to the orbit and different fossas surrounding the fissure.
Palabras clave:
ENDOSCOPE
,
INFERIOR ORBITAL FISSURE
,
ORBIT
,
PTERYGOPALATINE FOSSA
,
SKULL BASE
Archivos asociados
Licencia
Identificadores
Colecciones
Articulos(CCT - CORDOBA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - CORDOBA
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - CORDOBA
Citación
de Battista, Juan Carlos; Zimmer, Lee A.; Theodosopoulos, Philip V.; Froelich, Sebastien C.; Keller, Jeffrey T.; Anatomy of the inferior orbital fissure: Implications for endoscopic cranial base surgery; Thieme Medical Publishers; Journal of Neurological Surgery, Part B: Skull Base; 73; 2; 4-2012; 132-138
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