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Supraorbital trans-eyebrow craniotomy and fluorescence-guided resection of fronto-basal high grade gliomas
Ricardo Prat-Acín1, Inmaculada Galeano-Senabre, G Pancucci
1Dptment of Neurocurgery, Hospital Universitari i Politècnic la Fe, Valencia, Spain. ricprat@hotmail.com
Object:
To determine the effectiveness of fluorescence-guided resection of fronto-basal high grade gliomas by using the supraorbital trans-eyebrow craniotomy.
Methods:
We present a single-institution experience of 6 consecutive patients presenting high grade brain glioma located on the fronto-basal area that were operated through a supraorbital trans-eyebrow craniotomy. Previous to surgery all patients were administered 20mg/kg of 5 aminolevulic acid so microscopic fluorescence-guided resection could be accomplished. Tumors were located on gyrus rectus (3 patients), medial orbital gyrus (2 patients), and anterior orbital gyrus (1 patient).
Results:
Despite the narrow surgical corridor, fluorescence was useful in all cases. Fluorescence-guided resection allowed inclusion into the margins of resection of areas previously considered as normal under white light. Complete resection was obtained in 5 patients. No neurological postoperative new deficit was observed in this series. All six cases corresponded to glioblastoma. Only one case of superficial infection with delayed wound healing was reported as complication. All patients expressed a high level of satisfaction related to cosmetic result.
Conclusions:
Fluorescence-guided resection of fronto-basal high grade gliomas can be successfully achieved through supraorbital trans-eyebrow craniotomy. Benefits of supraorbital craniotomy in the management of fronto-basal high grade gliomas as well as usefulness of fluorescence-guided resection through a very narrow corridor are exposed.
