International Journal of Pediatric Otorhinolaryngology
Endoscopic endonasal transsphenoidal surgery for sellar tumors in children
Introduction
In the last two decades, neuroendoscopy underwent an impressive development in terms of techniques and sophisticated surgical tools that currently permits to treat a wide range of diseases. Endoscopic endonasal transsphenoidal surgery (EETS) has become a relatively common surgical procedure to treat the anterior skull base tumors, especially in adult patients. EETS is less utilized in the pediatric population mainly because of the higher prevalence of such tumors in adults (namely pituitary adenomas and meningiomas) and the less favorable anatomical conditions in children (minute nostrils, narrow nasal cavities, reduced/absent pneumatization of the sphenoid sinus). However, some studies concerning EETS in small series of children have recently appeared, showing an effectiveness of the procedure comparable to that of the older counterpart [1], [2], [3], [4].
We describe the results obtained with EETS in the largest series of children with tumors of the sellar and clival region reported so far. The goal of this report is to evaluate whether EETS is a suitable surgical option in pediatric subjects.
Section snippets
Series
The series is composed by 27 pediatric patients (11 boys and 16 girls) operated on at the Neurosurgical Unit of the San Matteo Hospital, Pavia, Italy, and at the Pediatric Neurosurgery of the A. Gemelli Hospital, Rome, Italy, during the last decade. The mean age at surgery was 12.2 years, ranging from 4 to 18 years. Seventeen patients harbored a purely sellar mass, 7 a sellar/supra- and para-sellar tumor, and 3 a clival mass. The conchal variant of the sphenoid sinus was found in one case.
All
Results
Overall, 29 surgical procedures were performed (2 children required a second EETS; see below). The approach was carried out through a direct paraseptal route in 24 cases (bilateral in 18 and monolateral in 6), through a transethmoidal approach in 4 and through a transpterygoid approach in the remaining one. Two children underwent EETS as secondary procedure following a previous transcranial approach.
Based on MRI, a gross total resection of the tumor was obtained in 81.5% of the cases (22
Discussion
In spite of the increasing application of EETS in the pediatric population, only a few studies concerning this subject are currently available in the literature. Most of them consider small pediatric series, alone or as part of mixed cohorts, or series where the young patients are treated by combined approaches (e.g. transnasal and/or transcranial endoscopically assisted surgery) [1], [3], [4], [8], [9]. Among the series of 22 children with craniopharyngioma operated on by transsphenoidal route
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