ObjectiveTo investigate the unique advantages of MRI t2 tirm dark-fluid in the imaging diagnosis of temporal lobe epilepsy caused by hippocampus sclerosis in children and adolescents compared with other multisequence scanning methods.Methods60 cases of children clinically confirmed as hippocampus sclerosis were scanned in multiple sequences using a Siemens Avanto Dot 1.5 TMR machine. The display rates of each sequence of intracranial lesions were compared, statistical comparisons were made, and the images obtained were analyzed.ResultsLeft hippocampus sclerosis in 21 cases. 36 cases on the right side and 3 cases on both sides. In the normal T2WI TES, FLAIR, T2 tirm and t2 tirm dark-fluid sequences, 28 cases, 39 cases, 42 cases and 51 cases respectively showed high signals. After statistical analysis, the incidence of t2 tirm dark-fluid sequences lesion was highest, and the differences with conventional T2WI TES, FLAIRand T2 tirm were statistically significant (P0.05) was not statistically significant.ConclusionMRI is the preferred device and method for diagnosing hippocampus sclerosis. Imaging doctors should pay full attention to the importance of T2 tirm dark-fluid in brain black water+fat inhibition sequence. It can significantly shorten the time of examination to improve the accuracy of diagnosis, for clinicians to provide accurate positioning and qualitative diagnosis, worthy of reference in the future work.%目的探讨MRI颅脑黑水+脂肪抑制序列相比磁共振其它多序列扫描方法的特有优势。方法应用Siemens Avanto Dot 1.5TMR机对60例经临床证实为海马硬化患儿行多序列扫描，比较各常规序列脑内病灶显示率，做相应统计学比较，并对所获图像进行分析。结果左侧海马硬化21例，右侧36例，双侧3例。在常规T2WI TES、FLAIR、T2 tirm及t2 tirm dark-fluid序列上表现为高信号的分别有28例、39例、42例、51例。经统计学分析，颅脑黑水+脂肪抑制序列的病灶显示率最高，且与常规T2WI TES、FLAIR、T2 tirm的差异均有统计学意义（P0.05）。结论MRI作为诊断海马硬化的首选设备和方法，影像科医生应充分重视颅脑黑水+脂肪抑制序列t2 tirm dark-fluid的重要性，它可在显著缩短检查时间的基础上提高诊断准确性，为临床医生提供精确的定位和定性诊断，值得今后在实际工作中参考使用。
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