Purpose: To study the efficacy and safety of endoscopic endonasal optic nerve fenestration for the management of idiopathic intracranial hypertension (IIH).
目的：研究内窥镜下鼻内视神经开窗术治疗原发性颅内高压症的有效性和安全性。
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BACKGROUND AND STUDY AIMS: Diagnostic endoscopic retrograde cholangiography (ERC) is being replaced by endoscopic ultrasonography (EUS) in patients with suspected bile duct stones.