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find Author "DANG Lianrong" 1 results
  • The clinic and Magnetic resonance imaging diagnostic in patients with temporal lobe epilepsy by hippocampal sclerosis

    ObjectiveThe research goal: to study the diagnostic value of T2-flair sequence of magnetic resonance imaging (MRI) in hippocampal sclerosis. MethodsThe clinical data of 135 patients with epilepsy caused by hippocampal sclerosis in the Epilepsy Center of Tianshui Third People's Hospital from March 2019 to December 2020 were analyzed retrospectively, studying the correlation between the changes of hippocampal sclerosis signal and the frequency of epileptic seizures in MRI T2-flair sequence multi axial scanning. ResultsThere were 109 cases of simple hippocampal sclerosis and 26 cases of hippocampal sclerosis with other lesions, including 8 cases of cavernous hemangioma, 9 cases of traumatic or infectious malacia, 2 cases of focal cortical dysplasia, 1 case of cerebral fissure malformation, 1 case of giant gyrus and 5 cases of perinatal brain injury. MRI features of hippocampal sclerosis were as follows: ① hippocampal volume increased slightly, structure blurred, and T2-flair showed slightly increased hippocampal signal in 15 cases, accounting for 11.11%; ② The hippocampal formation was fuzzy, T2-flair was punctate hyperintense, and the volume did not change in 17 cases (12.59%); ③ Hippocampal pyknosis into small lumps, T2-flair sequence showed high signal in 103 cases, accounting for 76.30%. Statistics showed that there was a correlation between hippocampal sclerosis signal and seizure frequency (χ2=94.94, P<0.05). The higher the hippocampal sclerosis signal, the more the seizure frequency. ConclusionMRI T2-flair sequence multi axial scanning can improve the diagnostic accuracy of hippocampal sclerosis. As the change of hippocampal sclerosis signal becomes more obvious, the trend of seizure frequency increases.

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