2012
DOI: 10.3171/2012.3.focus1267
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Surgical nuances for the endoscopic endonasal transpterygoid approach to lateral sphenoid sinus encephaloceles

Abstract: Lateral sphenoid encephaloceles of the Sternberg canal are rare entities and usually present with spontaneous CSF rhinorrhea. Traditionally, these were treated via transcranial approaches, which can be challenging given the deep location of these lesions. However, with advancements in endoscopic skull base surgery, including improved surgical exposures, angled endoscopes and instruments, and novel repair techniques, these encephaloceles can be resected and successfully repaired with purely endoscopic e… Show more

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Cited by 62 publications
(82 citation statements)
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References 36 publications
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“…Our study comprised 7 patients and is the fourth largest series; we found in the Medline available literature; the largest three studies had 15 cases [15], 11 cases [18], and 8 cases [19]. Bolger [14] described 6 cases; 6 other studies had 3-5 cases each [20][21][22][23][24][25]. It is a diagnostic challenge, as it may be occult, asymptomatic, diagnosed accidentally by radiology, or can present with intermittent, or vague symptoms as; headache, vertigo, visual symptoms, and/or meningitis [26].…”
Section: Discussionmentioning
confidence: 99%
“…Our study comprised 7 patients and is the fourth largest series; we found in the Medline available literature; the largest three studies had 15 cases [15], 11 cases [18], and 8 cases [19]. Bolger [14] described 6 cases; 6 other studies had 3-5 cases each [20][21][22][23][24][25]. It is a diagnostic challenge, as it may be occult, asymptomatic, diagnosed accidentally by radiology, or can present with intermittent, or vague symptoms as; headache, vertigo, visual symptoms, and/or meningitis [26].…”
Section: Discussionmentioning
confidence: 99%
“…This approach is ideal in accessing the lateral recess of the sphenoid sinus, especially far-lateral pneumatization of the sphenoid sinus, an anatomical variant seen in approximately 22-40% of individuals [23][24][25]. This approach is very useful in resecting sinonasal tumour involving the lateral recess of the sphenoid sinus and repairing spontaneous or congenital meningoencephaloceles of the Sternberg's canal from this region.…”
Section: Transpterygoid Approachmentioning
confidence: 95%
“…La cisternografía isotópica no se utiliza normalmente, pero es útil para evaluar el trayecto del líquido cefalorraquídeo 4 . En caso de presentarse rinorrea acuosa, se debe confirmar la sospecha de fístula con la determinación de Beta-2 transferrina o Beta-trace 4,6,15,18 . En una revisión de 39 trabajos publicados en la literatura sobre la utilidad de algunos test como la proteína Beta-trace o la Beta-2 transferrina, Bachmann-Harildstad 19 demostró que son útiles para diagnosticar la presencia de líquido cefalorraquídeo.…”
Section: Discussionunclassified
“…Este abordaje conlleva un aumento de potenciales complicaciones intraoperatorias neurovasculares, por la presencia de la arteria maxilar y sus ramas, el nervio maxilar (V2) y el nervio vidiano. No obstante, son complicaciones evitables si se realiza una disección cuidadosa separando lateralmente el contenido de la fosa pterigopalatina 4,12,25 . La hipoestesia asociada o no a dolor en el área inervada por V2 6,8,12,13 así como presentar ojo seco por probable daño del nervio vidiano 23,26 pueden ser secuelas de la intervención.…”
Section: Discussionunclassified
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