Cerebral blood flow in a migraine patient with fluctuated sensorineural hearing loss 光田綜合醫院 耳鼻喉部1 核醫科2 黃聖凱1 賴仁淙1 王克彬2 台大醫院 耳鼻喉部 劉殿楨 1996 baloh, migraine SSNHL, 機轉不明 本篇 偏頭痛病患 波動性神經性聽損 觀察CBF
Case present 40 years old, female Right sudden hearing loss for 3 days Acute migraine attack Tx: Flunarizine 10mg sudden 不等於中風
5 days 25 days 放最後一次聽力檢查 Improved Second course
Tc-99m SPECT cerebral blood flow Grading scale: 1: no perfusion 5: fair perfusion 10: very good perfusion Epithiloid nuclear, cytoplastic inclusion , 診斷 atypia
Tc-99m CBF : Temporal lobe D5 D25 D1 It usually originates from the AICA (~85%), also basilar artery(~15%) Right temporal lobe: 9/10 Left temporal lobe: 7/10 8/10, 8/10 9/10, 8/10 R/L: 9/7 R/L: 8/8 R/L: 9/8
Fluctuated SNHL D1 D5 D25 5M
Pathophysiology of vestibular migraine Cochlear disorder In 2001, VM revealed. Pathophysiology Front Neurol. 2015; 6: 12. Juan M. E.S. et al.
Conculsion SSNHL may not due to ischemia… Inflammation? Fluctuation SNHL may related to migraine Inflammation? 突聾不是中風 波動性聽損,