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目的对螺旋CT与MRI用于直肠癌术前分期的临床诊断效果进行比较。方法将直肠癌患者137例分为MRI组(68例),采取MRI进行术前诊断;螺旋CT组(69例)采取螺旋CT进行术前诊断。对比2组患者肿瘤(T)分期诊断结果。结果 MRI T_1-T_2期、T_3期、T_4期诊断准确率分别为73.33%(11/15),83.87%(26/31),100.00%(22/22);螺旋CT T1-T2期、T_3期、T_4期诊断准确率分别为35.00%(7/20),81.08%(30/37),100.00%(12/12),MRI整体诊断效果较螺旋CT更优,差异均有统计学意义(P<0.05)。结论直肠癌术前分期临床诊断方面,MRI较螺旋CT更优。
Objective To compare the clinical diagnostic results of spiral CT and MRI in the preoperative staging of rectal cancer. Methods One hundred and fourty-seven patients with rectal cancer were divided into MRI group (68 cases) and MRI preoperatively. Spiral CT was performed in 69 cases of spiral CT group. Comparison of two groups of patients with tumor (T) staging diagnostic results. Results The diagnostic accuracy rates of MRI T 1 -T 2, T 3 and T 4 were 73.33% (11/15), 83.87% (26/31) and 100.00% (22/22) , T 4 diagnostic accuracy rates were 35.00% (7/20), 81.08% (30/37), 100.00% (12/12) respectively. The overall diagnostic accuracy of MRI was better than that of spiral CT (P <0.05). Conclusion In terms of clinical diagnosis of rectal cancer preoperative staging, MRI is better than spiral CT.