“PO-26 | Optic Nerve Sheath Ultrasound in Idiopatic Intracranial Hypertension: Early Findings: Francesca Cotichelli,1,2 Davide Mascarella1,1,2 Valentina Favoni,1 Gaia Patanè,1,2 Francesco Severi,1,2 Francesca Verna,1,2 Giulia Pierangeli,1,2 Sabina Cevoli1 | 1IRCCS Istituto Delle Scienze Neurologiche Di Bologna; 2DIBINEM, Department of Biomedical and Neuromotor Science, Alma Mater Studiorum, Bologna, Italy”. 2025. Confinia Cephalalgica 35 (S1). https://doi.org/10.4081/cc.2025.15848.