Clinical neurology and neurosurgery · 2019
Roles of neuroimage in toxic encephalopathy induced by 1, 2-Dichloroethane.
СтатьяНазвание и аннотация: Перевод в очереди
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Liu Jing, Zhang Lin, He Bin, Zhuang Jian-Hua, Xu Jin, Huang Li-Yu, Peng Hua
Аннотация
OBJECTIVES: Toxic encephalopathy induced by exposure to 1,2-dichloroethane(1,2-DCE) may result in central nervous system (CNS) abnormalities. The study was to describe the clinical and neuroimaging features in toxic encephalopathy induced by 1, 2-DCE.
PATIENTS AND METHODS: The study evaluates six patients with clinical symptoms and neuroimaging who are exposed to 1, 2-DCE, including medical and neurologic examination, CT imaging, proton MR spectroscopy (MRS), Diffusion weighted MR (DW MR) and T1-and T2-weighted MR imaging.
RESULTS: All patients who had been exposed to DCE subsequently had seizures or symptoms of intracranial hypertension,including headache, nausea, and vomiting. CT findings: All lesions appeared as low density and bilateral symmetry. The lesions appeared in white matter of cerebral hemisphere diffusely, bilateral cerebellar dentate nuclei, thalamus and globus pallidus. MRI features: All lesions showed high signal intensity on T2WI. Cerebral sulci swelling and compressed or occluded ventricles were seen on CT and MRI. DW MR images obtained at b = 1000s/mm2 revealed symmetrical high signal intensity changes. The apparent diffusion coefficient (ADC) values of lesions were decreased. MR spectroscopic findings established the spectral patterns: increased choline-containing compounds and decreased N-acetylaspartate.
CONCLUSION: The clinical symptoms of intracranial hypertension and the features of CT and MR imagings are useful for early diagnosis and prompt treatment in toxic encephalopathy.
PATIENTS AND METHODS: The study evaluates six patients with clinical symptoms and neuroimaging who are exposed to 1, 2-DCE, including medical and neurologic examination, CT imaging, proton MR spectroscopy (MRS), Diffusion weighted MR (DW MR) and T1-and T2-weighted MR imaging.
RESULTS: All patients who had been exposed to DCE subsequently had seizures or symptoms of intracranial hypertension,including headache, nausea, and vomiting. CT findings: All lesions appeared as low density and bilateral symmetry. The lesions appeared in white matter of cerebral hemisphere diffusely, bilateral cerebellar dentate nuclei, thalamus and globus pallidus. MRI features: All lesions showed high signal intensity on T2WI. Cerebral sulci swelling and compressed or occluded ventricles were seen on CT and MRI. DW MR images obtained at b = 1000s/mm2 revealed symmetrical high signal intensity changes. The apparent diffusion coefficient (ADC) values of lesions were decreased. MR spectroscopic findings established the spectral patterns: increased choline-containing compounds and decreased N-acetylaspartate.
CONCLUSION: The clinical symptoms of intracranial hypertension and the features of CT and MR imagings are useful for early diagnosis and prompt treatment in toxic encephalopathy.