Neurol India. 2021 May-Jun;69(3):630-635. doi: 10.4103/0028-3886.319224.
ABSTRACT
AIM: Endoscopic trans-nasal surgery has evolved a long way from the days of narrow corridors with high rates of cerebrospinal fluid (CSF) leak to the present state of HD optics with better tissue differentiation, extended approaches, and use of vascularized flaps for defect closure. Trans-nasal approach is an established technique for pituitary tumors practiced worldwide. However, trans-nasal endoscopic excision of suprasellar meningiomas provides a tougher challenge in terms of instrument manipulation, tumor excision with good visual outcome, and a robust defect closure to prevent CSF leaks.
MATERIALS AND METHODS: Out of 83 cases of midline anterior cranial fossa meningiomas operated over 14 years, our experience in 12 cases of suprasellar meningiomas for radical resection via the trans-nasal endoscopic route is discussed.
RESULTS: Amongst these, si x were excised via primary extended endoscopic trans-sphenoidal surgery, four cases had a residual lesion or recurrence after primary transcranial surgery, and two cases involved a combined transcranial and extended endoscopic approach. Visual improvement along with resolution of headache was seen in all patients postoperatively. None of the patients had CSF leak requiring further repair. Syndrome of inappropriate antidiuretic hormone was found in one patient, which was transient and easily corrected.
CONCLUSION: Trans-nasal endoscopic surgery for suprasellar meningiomas is an effective technique that provides results of tumor excision comparable to the transcranial approach in suitable cases. Visual outcome was found to be superior, and rates of CSF leak were remarkably reduced with vascularized flap. However, each case must be assessed individually and lateral extension beyond the optic canals with internal carotid artery encasement must be considered before planning surgery .
PMID:34169857 | DOI:10.4103/0028-3886.319224
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