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Vol. 63. Issue 2.
Pages 144-146 (March - April 2012)
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Vol. 63. Issue 2.
Pages 144-146 (March - April 2012)
Case study
Association Between Cerebrospinal Fluid Leakage and Persistence of Sternberg's Canal: Coincidence or Cause?
Asociación entre fístula de líquido cefalorraquídeo y persistencia del canal de Sternberg: ¿coincidencia o causa?
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Marcos Rossi Izquierdoa,
Corresponding author
Marcos_Rossi@hotmail.com

Corresponding author.
, Carlos Martín Martínb, Torcuato Labella Caballerob
a Servicio de Otorrinolaringología, Hospital Universitario Lucus Augusti, Lugo, Spain
b Servicio de Otorrinolaringología, Hospital Clínico Universitario de Santiago de Compostela, Santiago de Compostela, Spain
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Abstract

Endoscopic surgical techniques allow treating various pathological diseases of the cranial base, including cerebrospinal fluid leaks (CSF). These approaches have a high success rate and reduce surgical time and morbidity. However, when they are located in the lateral wall of the sphenoid, the surgery is more complex. In our case, the CSF appeared to be related with a Sternberg's canal. Predisposing factors were also associated with an extensive unilateral pneumatization of the sinus and benign intracranial hypertension. The closure of the leak was achieved using an endoscopic transethmoidal transpterygoid approach for proper exposition of the lateral wall of the sphenoid. After 5 years of monitoring, the patient has had no more episodes of rhinoliquorrhea.

Keywords:
Sternberg's canal
Cerebrospinal fluid leak
Endoscopic nasal surgery
Resumen

Las técnicas endoscópicas nasales permiten el tratamiento de diversos procesos patológicos de la base del cráneo, entre las cuales se incluyen las fístulas de líquido cefalorraquídeo (LCR). Estos abordajes tienen una elevada tasa de éxitos y reducen el tiempo quirúrgico y la morbilidad. Sin embargo, cuando se localizan en la pared lateral del esfenoides la cirugía es más compleja. En el caso presentado la fístula parece relacionarse con la persistencia del canal de Sternberg. Además como factores predisponentes asociados encontramos la extensa neumatización unilateral del seno así como una hipertensión intracraneal benigna. El cierre de la fístula se realizó endoscópicamente mediante un abordaje transetmoidal y transpterigoideo para una correcta visualización de la pared lateral del esfenoides. Tras 5 años de seguimiento la paciente no ha vuelto a presentar más episodios de rinolicuorrea.

Palabras clave:
Canal de Sternberg
Fístula de líquido cefalorraquídeo
Cirugía endoscópica nasal

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