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New Technique for Surgery of Petrous Apex Cholesterol Granuloma  

Kim, Eal-Maan (Departments of Neurosurgery, Skull Base Surgery Division, Dongsan Medical Center, Keimyung University School of Medicine)
Nam, Sung-Il (Departments of Otorhinolaryngology, Skull Base Surgery Division, Dongsan Medical Center, Keimyung University School of Medicine)
Publication Information
Journal of Korean Neurosurgical Society / v.41, no.5, 2007 , pp. 347-351 More about this Journal
Abstract
The authors present a new technique for surgery of cholesterol granuloma [CG] at the petrous apex. An epidural middle fossa approach is used to expose and remove the cyst, with silicon tube drainage into the sphenoid sinus via the anterolateral cavernous sinus triangle between the first and second divisions of the trigeminal nerve. This novel method is less invasive skull base approach to the petrous apex and very effective for minimizing recurrence of CGs within the petrous apex.
Keywords
Petrous apex; Cholesterol granuloma; Surgical technique; Skull base surgery; Drainage;
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