AUTHOR=Matsuda Han , Maeda Yukihide , Kitahara Tomoyasu , Sawada Masafumi , Kudo Hiroe , Sakamoto Kei , Takayama Atsuya , Ikezono Tetsuo TITLE=Fluctuating or progressive hearing loss in the middle-to-high frequencies may suggest the neurotologic endotype of perilymphatic fistula without antecedent traumatic events JOURNAL=Frontiers in Neurology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2025.1571379 DOI=10.3389/fneur.2025.1571379 ISSN=1664-2295