Neurologia medico-chirurgica · 2011
Meningioma of the internal auditory canal with rapidly progressive hearing loss: case report.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Ishikawa Tatsuya, Kawamata Takakazu, Kawashima Akitsugu, Yamaguchi Kohji, Kubo Osami, Hori Tomokatsu, Okada Yoshikazu
Аннотация
A 38-year-old male presented with a meningioma within the internal auditory canal (IAC) manifesting as rapidly progressive hearing loss over a period of one month. He had a 2-year history of tinnitus. Magnetic resonance imaging revealed a 10-mm intracanalicular tumor, which was surgically resected by a retrosigmoid lateral suboccipital approach. The histological findings showed meningothelial meningioma. The patient had no facial palsy after surgery, but his cochlear function did not recover. Common symptoms of IAC meningiomas are tinnitus and hearing loss, but rapidly progressive hearing loss is very rare. IAC meningioma is rare but should be taken into consideration as a cause of rapidly progressive hearing loss.