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目的针对非钙化性的肺癌结节探讨运用同层动态CT增强扫描技术的诊断作用。方法选取我院2006年9月至2011年9月期间所收治运用病理诊断出原发周围型肺癌患者63例,其中包括鳞癌19例,腺癌33例(包括细支气管肺泡癌12例),腺鳞癌4例,黏液表皮样癌及鳞腺癌各2例,小细胞未分化癌3例。63例患者均进行了同层动态CT增强扫描,同时与23例同时行动态CT增强的肺结核球患者进行对比。结果:显示非增强CT肺结核球和肺钙化性肺癌结节的数值差异没有统计学意义(即P>0.05)。而增强后CT显示钙化性肺结核球所有时间段强化值与增强前比较差异并无统计学意义(P>0.05);非钙化性肺癌结节增强后的CT各个数值和增强前相比都有统计学意义(即P<0.05)。结论对良、恶性肺结节进行同层的动态CT增强扫描,作用较明显的是针对肺结核瘤和非钙化性肺癌的诊断和鉴别,同时可显著增强准确率的是对肺癌性结节的定性。
Objective To investigate the diagnostic value of non-calcified lung cancer nodules using dynamic contrast-enhanced CT scan. Methods Totally 63 patients with primary peripheral lung cancer diagnosed by pathology were selected from September 2006 to September 2011 in our hospital, including 19 cases of squamous cell carcinoma, 33 cases of adenocarcinoma (including 12 cases of bronchioloalveolar carcinoma) Adenosquamous carcinoma in 4 cases, mucoepidermoid carcinoma in 2 cases and squamous cell carcinoma in 3 cases of small cell undifferentiated carcinoma. Sixty-three patients underwent dynamic contrast-enhanced CT scans at the same level and compared with 23 patients with tuberculous meningitis who had been treated with dynamic CT. RESULTS: There was no statistically significant difference in the value of nodules between non-enhanced CT pulmonary tuberculosis and pulmonary calcified lung cancer (P> 0.05). However, there was no statistical significance between the enhanced CT and the enhanced CT before and after the enhancement (P> 0.05). The CT values of non-calcified lung nodules increased compared with those before enhancement Significance (ie P <0.05). Conclusions The dynamic contrast-enhanced CT scan of the same layer of benign and malignant pulmonary nodules is more effective for the diagnosis and differential diagnosis of pulmonary tuberculoma and noncalcified lung cancer. Meanwhile, it can significantly improve the accuracy of qualitative diagnosis of lung cancer nodules .