الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
An outstanding panoramic view of the sellar and parasellar areas, as well as the SS, may be obtained using the endoscopic endonasal transsphenoidal technique.
But the most significant adverse consequence of this pituitary surgical technique is still postoperative CSF leak.
Effectively separating the sinonasal cavity from the intracranial material is the main objective of skull base repair in order to protect the surrounding neurovascular systems and avoid postoperative CSF leaks.
So in this study, we tried to set a protocol for easier successful maneuver for sellar reconstruction with the least possible morbidity and impact on postoperative quality of life, aiming to evaluate sellar floor defects in cases of intra-operative CSF leak during endoscopic endonasal pituitary surgeries and define the most probable risk factors which increase the chance of Intraoperative CSF leak.
This was a prospective descriptive (cohort) study conducted on fifty patients attending the outpatient clinic of Neurosurgery and Oto-Rhino-Laryngology Departments, in Alexandria University Hospitals who are diagnosed with pituitary lesions, decided to do the surgery via an extended endoscopic endonasal approach.