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The pattern characteristics of optical coherence tomography in diabetic maculopathy
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF OCULAR FUNDUS DISEASES
- Issue:
- 3
- DOI:
- 10.3760/j.issn:1005-1015.2001.03.005
- Key Word:
- 光学相干断层扫描;荧光素血管造影术;视网膜病/诊断
Abstract： 目的观察糖尿病视网膜病变患者黄斑病变的光学相干断层扫描(optical coherence tomo-graphy,OCT)图像特征. 方法对60例糖尿病黄斑病变患者以及30例正常对照者进行OCT检查.其中54例糖尿病黄斑病变患者同时行荧光素眼底血管造影(fundus fluorescein angiography,FFA)检查,对两种检查方法的结果进行比较. 结果 OCT检查糖尿病黄斑病变患者中心凹平均厚度为(314.54±154.13) μm.视网膜水肿者占57.1%,视网膜水肿合并黄斑囊样水肿(cystoid macular edema,CME)者占38.5%,合并神经上皮脱离者占9.2%,合并CME及神经上皮脱离者占16.9%.OCT检查黄斑正常厚度及轻度水肿者,FFA主要呈限局性渗漏;中重度水肿者,FFA呈弥漫性渗漏.CME检出率FFA检查者为28.6%,OCT检查者为58.9%,二者比较差异有显著性意义(t=3.39,P＜0.05). 结论糖尿病黄斑病变者的OCT图像有视网膜水肿、CME及神经上皮脱离3种形态特征.OCT在检测发现CME等方面优于FFA.
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