Endonasal endoscopic approach for intracranial nasal dermoid sinus cysts in children

M Re, P Tarchini, G Macrì, E Pasquini
International Journal of Pediatric Otorhinolaryngology 2012, 76 (8): 1217-22
Nasal dermoid sinus cysts are the most common congenital midline nasal lesions. The frequency of intracranial extensions varies from 5% to 45%. Complete surgical excision of nasal dermoid cyst and any associated sinus tract is essential for cure and any residual ectodermal elements result in a high rate of recurrence and complicated infections. Many different approaches have been described for the removal of nasal dermoids in the past two decades, ranging from a simple extracranial excision to complex procedures in which a combined extracranial-intracranial approach is required. We hereby report two cases of nasal dermoid sinus cysts in children with intracranial extension which were managed with an endonasal endoscopic procedure. We describe the technique we implemented for this procedure and for the reconstruction of the skull base defect.

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