1. Ultrahigh-Field MR (7 T) Imaging of Brain Lesions in Neuromyelitis Optica
- Author
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Ilya Kister, Joseph Herbert, Yongxia Zhou, and Yulin Ge
- Subjects
Neurology. Diseases of the nervous system ,RC346-429 - Abstract
Background. Brain lesions are common in neuromyelitis optica spectrum disorder (NMOsd) and may resemble lesions of multiple sclerosis (MS). Objectives. To describe the imaging characteristics of supratentorial lesions in NMOsd on ultrahigh-field (7 T) MRI with special attention to vessel-lesion relationship. Methods. Ten NMOsd patients, all women and all seropositive for NMO IgG, with mean age of 51.3 ± 15.4 years and disease duration of 9.2 ± 6.4 years, were scanned at a 7 T whole-body human MR system with high-resolution 2D gradient echo sequence optimized to best visualize lesions and venous structures, T2- and T1-weighted imaging. Results. In 10 patients with NMOsd, a total of 92 lesions were observed (mean: 9.2 ± 8.8; range: 2โ30), but only 8 lesions (9%) were traversed by a central venule. All lesions were
- Published
- 2013
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