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目的了解放射性白内障B超检查的声像特点,为放射性白内障的诊断提供参考依据。方法应用高频超声诊断仪检测18例放射性白内障患者的晶状体,分析晶状体形态及内部回声改变。结果Ⅰ期放射性白内障晶状体平均厚度为4.4 mm,晶状体呈完整的梭形结构;Ⅱ期放射性白内障晶状体平均厚度为5.1 mm,晶状体呈球形结构;Ⅲ期放射性白内障晶状体平均厚度为3.7 mm,晶状体呈盘状结构,并且Ⅲ期放射性白内障患者玻璃体混浊率较高,达到38.89%。结论对于晶状体混浊较严重或患有青光眼不适合散瞳患者,高频B超检查可以帮助了解晶状体及球后病变情况,为放射性白内障的诊断提供参考依据。
Objective To understand the imaging features of B-ultrasound in cataract and provide a reference for the diagnosis of radiation cataract. Methods High frequency ultrasound was used to detect the lens of 18 patients with radiation cataract. The morphology and internal echo of the lens were analyzed. Results The average thickness of stage Ⅰ phacoemulsification cataract was 4.4 mm and the lens was a complete fusiform structure. The average thickness of stage Ⅱ phacoemulsification was 5.1 mm, the lens was spherical. The average thickness of stage Ⅲ phacoemulsification was 3.7 mm. Like structure, and the stage Ⅲ ophthalmic cataract patients with higher vitreous opacity, reaching 38.89%. Conclusion For patients with severe lens opacities or glaucoma not suitable for mydriasis, high-frequency B-ultrasound can help understand the lens and ball disease, provide a reference for the diagnosis of radiation cataract.