Persistent geotropic direction-changing positional nystagmus: an independent disease entity?
10.3760/cma.j.issn.1673-0860.2018.12.016
- VernacularTitle: 持续性向地性变向性位置性眼震：一种独立的疾病实体？
- Author:
Hui WANG
1
;
Dongzhen YU
1
Author Information
1. Department of Otorhinolaryngology Head and Neck Surgery, Shanghai Jiao Tong University Affiliated Sixth People′s Hospital, Center for Vertigo and Imbalance, 200233 Shanghai, China
- Publication Type:Review
- Keywords:
Light cupula;
Nystagmus, pathologic
- From:
Chinese Journal of Otorhinolaryngology Head and Neck Surgery
2018;53(12):950-953
- CountryChina
- Language:Chinese
-
Abstract:
Persistent geotropic direction-changing positional nystagmus (DCPN) has been described in recent years as no latency or fatigability but a null plane when head is turned toward the affected side. Different from the canalolithiasis of horizontal semicircular canal, it is similar with cupulolithiasis, but the direction of nystagmus are opposite. Light cupula theory has been used to explain the characteristics of this unique nystagmus. In this paper, the characteristics, possible etiologies, pathogenesis, related diseases, diagnosis, treatment and prognosis of DCPN are reviewed.
