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目的分析急性一氧化碳中毒(acute carbon monoxide poisoning,ACOP)的脑部MRI影像表现。方法对82例ACOP患者的脑部MRI影像及临床资料进行回顾性分析。结果本组ACOP患者包含轻度中毒26例、中度中毒38例、重度中毒18例。31例MRI图像上未见确切信号异常(未见确切异常改变型);51例MRI图像上有信号异常(25例表现为双侧苍白球受累型,21例表现为双侧脑白质区受累型,5例表现为大脑皮质受累型)。结论临床症状越重的患者MRI图像越容易出现异常,以双侧苍白球受累型及脑白质受累型最为常见。未见确切异常改变型更应该被关注。
Objective To analyze brain MRI features of acute carbon monoxide poisoning (ACOP). Methods The brain MRI images and clinical data of 82 patients with ACOP were retrospectively analyzed. Results The patients with ACOP included mild poisoning in 26 cases, moderate poisoning in 38 cases and severe poisoning in 18 cases. No abnormal signals were found in 31 cases of MRI (no abnormal changes were found); 51 cases had abnormal MRI images (25 cases showed bilateral globus pallidus, 21 cases showed bilateral leukomalacia type , 5 cases showed cerebral cortex involvement type). Conclusion The more severe the clinical symptoms of MRI images, the more prone to abnormalities in patients with bilateral globus pallidus and white matter involvement of the most common type. No exact change of abnormal type should be more attention.