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目的:对比X线平片和多层螺旋CT诊断及鉴别周围型肺癌的效果。方法:选取了100例周围型肺癌患者,所有患者入院后先行X线片检查,后进行多层螺旋CT检查。通过观察并记录X线片与多层螺旋CT对周围型肺癌的影像学特征、临床TNM分期的诊断效果,评价X线平片和多层螺旋CT对周围型肺癌的诊断效果。结果:多层螺旋CT对周围型肺癌的肿块、分叶征、支气管气象征、空洞、胸膜凹陷、血管集束征,胸腔积液的检出率均高于X线片(P<0.05)。根据外科病理TNM分期结果,多层螺旋CT对周围型肺癌的临床TNM分期诊断符合率为92.0%,X线对周围型肺癌的临床TNM分期诊断符合率为61.0%,多层螺旋CT对周围型肺癌的临床TNM分期诊断符合率明显高于X线(P<0.05)。结论:多层螺旋CT对于周围型肺癌各类型影像学征象具有较好的检出率,对周围型肺癌临床TNM分期诊断准确性接近病理诊断结果。
Objective: To compare the effect of X-ray plain film and multi-slice spiral CT in the diagnosis of peripheral lung cancer. Methods: A total of 100 patients with peripheral lung cancer were selected. All patients were examined by X - ray after admission and then examined by multi - slice spiral CT. By observing and recording the imaging features of peripheral lung cancer with X-ray and multi-slice spiral CT and the clinical TNM staging, the diagnostic value of X-ray and MSCT in peripheral lung cancer was evaluated. Results: The detection rates of lumps, lobulation, bronchial gas signs, voids, pleural indentations, bundles of blood vessels and pleural effusion in multislice spiral CT were higher than those in radiographs (P <0.05). According to the TNM staging of surgical pathology, the coincidence rate of multislice spiral CT in clinical diagnosis of TNM staging was 92.0%, and the coincidence rate of X-ray to clinical TNM staging of peripheral lung cancer was 61.0% The coincidence rate of TNM staging diagnosis of lung cancer was significantly higher than that of X-ray (P <0.05). Conclusion: MSCT has a good detection rate for all kinds of imaging signs of peripheral lung cancer, and the accuracy of clinical TNM staging diagnosis of peripheral lung cancer is close to the result of pathological diagnosis.