Introduction and research question: The use of an endoscope in skull base surgery provides a panoramic close-up view over the intracranial structures from multiple angles with excellent illumination. thus permitting greater extent of resection of tumors arising at sellar area. mostly represented by PitNet - Pituitary neuroendocrine tumors. with higher likelihood of preserving vital/in... https://poolsproductscanadas.shop/product-category/zodiac-ranger-parts/