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Japanese

A case of Wallenberg syndrome with left-right gaze nystagmus, facial palsy, and deafness Kazuki Matsuura 1 , Yuki Terasaka 1 , Shinya Imaoka 1 1Department of Ophthalmology, Nojima Hospital pp.1115-1120
Published Date 2022/8/15
DOI https://doi.org/10.11477/mf.1410214475
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Abstract Purpose:To report a case of Wallenberg syndrome with left-right gaze nystagmus, facial palsy, and deafness.

Case:A 76-year-old male experienced dizziness, facial palsy, dysphagia, diplopia, dysarthria, and sensory impairment of the right upper and lower limbs following intracranial microvascular decompression(MVD). Brain magnetic resonance imaging revealed brainstem infarction(left medulla oblongata to the lower part of the pons), and the patient was diagnosed as Wallenberg syndrome. Left-right gaze nystagmus with rapid phase on both sides, and hearing loss on the left appeared during the follow-up. Dysarthria, dysphagia, dysesthesia of the upper and lower limbs, and dizziness are typical symptoms of Wallenberg syndrome. MVD for hemifacial spasm is a surgery to remove the neural symptoms caused by compression of anterior inferior cerebellar artery(AICA)or posterior inferior cerebellar artery:PICA). Since AICA and PICA are anatomically adjacent to the facial and auditory nerves, it is possible that the nerves were directly damaged during the surgery. However, it is highly probable that the artery(AICA or PICA)was injured and cause ischemia, resulting in facial palsy, deafness, and bilateral gaze nystagmus.

Conclusions:We experienced a case of Wallenberg syndrome with atypical symptoms of lateral gaze nystagmus, facial palsy, and hearing loss in addition to the typical symptoms. In our case, AICA's or PICA's congenital deficiency or chronic ischemia is assumed to be compensated by AICA-PICA anastomosis. The surgical invasion and obstruction of the artery(AICA or PICA)may result in Wallenberg syndrome with symptoms of both AICA and PICA infarction.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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