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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
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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
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5 days 25 days 放最後一次聽力檢查 Improved Second course
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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
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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
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Fluctuated SNHL D1 D5 D25 5M
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Pathophysiology of vestibular migraine
Cochlear disorder In 2001, VM revealed. Pathophysiology Front Neurol. 2015; 6: 12. Juan M. E.S. et al.
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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,
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