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目的探讨CT增强薄层扫描与CT普通扫描诊断和鉴别诊断胃肠道肿瘤的临床效果。方法回顾性分析2011年1月至2013年6月间我院疑似的胃肠道恶性肿瘤患者138例,比较CT增强薄层扫描融合图像、CT图像和病理检查的符合率。结果 138例疑似胃肠道肿瘤患者,病理检查确诊102例,CT增强薄层扫描重建融合图像确诊符合率为92.2%(94/102),CT图像确诊符合率为83.3%(85/102),差异有统计学意义(P<0.05)。病理检查组织周围浸润患者78例,CT增强薄层扫描诊断组织周围浸润符合率为91.0%(71/78),CT图像诊断组织周围浸润符合率为75.6%(59/78),差异有统计学意义(P<0.05)。CT增强薄层扫描诊断淋巴结转移患者符合率为92.9%(52/56),CT图像诊断淋巴结转移患者符合率为75.0%(42/56),差异有统计学意义(P<0.05)。除N0期外,CT增强薄层扫描与CT普通扫描在肿瘤TNM分期诊断符合率差异均有统计学意义(P<0.05)。结论 CT增强薄层扫描诊断胃肠道肿瘤准确率高,特异性强,且对判断肿瘤分期具有临床意义。
Objective To investigate the clinical effect of CT-enhanced thin-slice CT and common CT scan in differential diagnosis of gastrointestinal tumors. Methods A retrospective analysis of 138 patients with suspected gastrointestinal cancer in our hospital from January 2011 to June 2013 was performed. The coincidence rates of CT-enhanced CT scan and pathological examination were compared. Results Among the 138 patients with suspected gastrointestinal cancer, 102 cases were diagnosed by pathological examination, the coincidence rate was 92.2% (94/102), and the coincidence rate of CT images was 83.3% (85/102) The difference was statistically significant (P <0.05). The pathological examination of tissue infiltration around the 78 patients, CT enhanced thin-section scan around the diagnosis of tissue infiltration coincidence rate was 91.0% (71/78), CT image diagnosis of tissue infiltration coincidence rate was 75.6% (59/78), the difference was statistically significant Significance (P <0.05). The coincidence rate was 92.9% (52/56) in patients with lymph node metastasis by CT-enhanced thin-section scan, and 75.0% (42/56) in patients with lymph node metastasis by CT scan. The difference was statistically significant (P <0.05). Except for stage N0, there was significant difference between the coincidence rates of TNM staging and TNM scan (P <0.05). Conclusion The CT-enhanced thin-slice scanning in the diagnosis of gastrointestinal tumors has high accuracy and specificity, and is of clinical significance for the diagnosis of tumor staging.