Nan fang yi ke da xue xue bao = Journal of Southern Medical University · 2010
[Magnetic resonance imaging characteristics of spinal cord lesions and brain abnormalities in Chinese patients with neuromyelitis optica].
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Wu Lei, Yang Yang, Huang De-hui, Xiao Hui, Wu Wei-ping
Аннотация
OBJECTIVE: To analyze the magnetic resonance imaging (MRI) characteristics of neuromyelitis optica (NMO) in Chinese patients.
METHODS: We retrospectively reviewed the MRI films of 61 patients with NMO (including 57 female and 4 male patients) admitted in our department.
RESULTS: Of these patients, 39 (79.6%) showed positivity for serum aquaporin-4 (AQP4) antibody. On MRI, 18 patients showed involvement of the cervical cord alone, 27 had both cervical and thoracic segment involvement, and 16 displayed thoracic segment involvement. The lesions appeared linear (9 cases), diffuse (23 cases), or both (29 cases), mostly located axially with occasional lateral distribution. Thirty-nine of the 61 patients (63.9%) had brain abnormalities, 31 presented with supratentorial lesions (mostly in the juxtacortical, subcortical, deep white matter and lateral ventricle-adjacent regions, n=27), 15 showed infratentorial lesions (mostly in the preiaqueduct-fourth ventricular-central canal, n=13), and 7 had supra- and infratentorial lesions simultaneously.
CONCLUSION: NMO has complex MRI presentation, and linear lesions in the spinal cord and preiaqueduct-fourth ventricular-central canal lesions, where AQP4 is high expressed, can be characteristic for NMO. MRI and AQP4 antibody detection are suggested for suspected cases for early diagnosis.
METHODS: We retrospectively reviewed the MRI films of 61 patients with NMO (including 57 female and 4 male patients) admitted in our department.
RESULTS: Of these patients, 39 (79.6%) showed positivity for serum aquaporin-4 (AQP4) antibody. On MRI, 18 patients showed involvement of the cervical cord alone, 27 had both cervical and thoracic segment involvement, and 16 displayed thoracic segment involvement. The lesions appeared linear (9 cases), diffuse (23 cases), or both (29 cases), mostly located axially with occasional lateral distribution. Thirty-nine of the 61 patients (63.9%) had brain abnormalities, 31 presented with supratentorial lesions (mostly in the juxtacortical, subcortical, deep white matter and lateral ventricle-adjacent regions, n=27), 15 showed infratentorial lesions (mostly in the preiaqueduct-fourth ventricular-central canal, n=13), and 7 had supra- and infratentorial lesions simultaneously.
CONCLUSION: NMO has complex MRI presentation, and linear lesions in the spinal cord and preiaqueduct-fourth ventricular-central canal lesions, where AQP4 is high expressed, can be characteristic for NMO. MRI and AQP4 antibody detection are suggested for suspected cases for early diagnosis.