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目的了解枕叶肿瘤三维适形放疗后对其患者视力及视野的影响。方法选取进行三维适形放疗的枕叶肿瘤19例,在放疗前、放疗结束时以及放疗后6、12个月进行视力和视野检查。视力检查采用LogMAR视力表,视野检查采用Humphrey750Ⅱ—i型自动视野计。结果放疗结束时和放疗后6、12个月患者视力及视野与放疗前比较,差异无统计学意义(P>0.05)。结论三维适形放疗是治疗枕叶肿瘤较为安全有效的方法,在治疗后未发现对视功能的损伤。
Objective To investigate the effect of three-dimensional conformal radiotherapy on visual acuity and visual field in patients with occipital lobe tumors. Methods Twenty-nine cases of occipital lobe tumors were treated with three-dimensional conformal radiotherapy. Visual acuity and visual fields were examined before radiotherapy, at the end of radiotherapy and 6 and 12 months after radiotherapy. Visual acuity test using LogMAR vision chart, visual field examination using Humphrey750 Ⅱ-i-type autoradiometer. Results At the end of radiotherapy and 6 and 12 months after radiotherapy, there was no significant difference in visual acuity and visual field before radiotherapy (P> 0.05). Conclusion Three-dimensional conformal radiotherapy is a safe and effective method for the treatment of occipital lobe tumors. No damage to visual function was found after treatment.