Pure upbeat nystagmus in association with bilateral internuclear ophthalmoplegia
โ Scribed by Jae-Hwan Choi; Na-Yeon Jung; Min-Ji Kim; Kwang-Dong Choi; Ji Soo Kim; Dae-Soo Jung
- Book ID
- 119304458
- Publisher
- Elsevier Science
- Year
- 2012
- Tongue
- English
- Weight
- 404 KB
- Volume
- 317
- Category
- Article
- ISSN
- 0022-510X
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## Abstract Vertical nystagmus occurs in patients with central vestibular system pathology. Lesions of the pons, medulla, and cerebellum lead to vertical nystagmus. Given this association, vertical nystagmus is considered pathognomonic in nature. We present a case of benign paroxysmal positional ve
## Abstract We present a patient with progressive supranuclear palsy (PSP) who had a bilateral internuclear ophthalmoplegia (INO) that could be fully overcome by the oculocephalic maneuver. In addition to being an unusual finding in the clinical setting of PSP, this phenomenon has interesting impli