数字胸片筛查肺癌433例分析
Suzhou University Journal of Medical Science(2010)
Abstract
目的探讨数字胸片筛查肺癌的应用价值。方法选择肺癌高危人群(≥50岁,吸烟指数≥400年支)433人行数字胸片检查,并进行随访复查,分析数字胸片检出肺癌的敏感性、特异性。结果 433例共确诊3例周围型肺癌和1例中央型肺癌,敏感度为44.4%,特异度为98.6%,假阳性1.4%,假阴性55.6%。结论除结构重叠外,图像处理也影响了肺癌的检出,细致的图像后处理可以提高病灶检出率和定性诊断能力。
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