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首页> 外文期刊>Journal of Medical Sciences >Optic Atrophy Due to Vitamin B12 Deficiency Without Anemia
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Optic Atrophy Due to Vitamin B12 Deficiency Without Anemia

机译：没有贫血的维生素B 12 缺乏导致的视神经萎缩

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Vitamin B12 deficiency can cause neurologic findings without anemia. Optic neuropathy due to vitamin B12 deficiency occurs occasionally in adult patients but it is rarely seen in children. A 16 year-old boy was followed up in the outpatient clinic with blurred vision. On physical examination, he had optic atrophy bilaterally without other neurologic findings. He had low levels of serum vitamin B12 and had no anemia. After cyanocobalamine treatment, visual acuity was improved but ophthalmologic findings were little changed despite serum vitamin B12 levels returned to be a normal. In conclusion, we want to draw attention that unexplained visual loss in childhood, especially in adolescence period, might be due to vitamin B12 deficiency and improvement of the visual symptoms is very well with vitamin B12 treatment. Optic atrophy without anemia may be the first sign of vitamin B12 deficiency.
机译：维生素B 12 缺乏会导致神经系统检查结果而无贫血。维生素B 12 缺乏引起的视神经病变在成年患者中偶有发生，但在儿童中很少见。一名16岁男孩在门诊随访，视力模糊。体检时，他双侧视神经萎缩而无其他神经系统发现。他的血清维生素B 12 含量低，并且没有贫血。氰钴胺治疗后，尽管血清维生素B 12 水平恢复正常，但视力有所改善，但眼科检查变化不大。总之，我们要引起注意，儿童期尤其是青春期无法解释的视力丧失可能是由于维生素B 12 缺乏所致，维生素B 可以很好地改善视觉症状12 治疗。没有贫血的视神经萎缩可能是维生素B 12 缺乏的最初征兆。

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