MRI与CT诊断不同病理分期前列腺癌患者的准确率对比

发布时间：2018-07-13 11:23

【摘要】：目的研究MRI与CT诊断不同病理分期前列腺癌患者的准确率。方法选取我院61例经确诊的前列腺癌患者为研究对象,均接受CT平扫/增强扫描(双期动态扫描)以及MRI扫描,比较两种检测方式对A/B、C/D期前列腺癌的检测准确性。结果本次研究中61例患者A期3例、B期16例、C期18例、D期24例。CT平扫/增强扫描对A/B检出率为47.37%,漏诊、误诊10例,6例误诊为前列腺增生,另4例漏诊,MRI对A/B检出率为89.47%,漏诊2例均为漏诊,两者比较MRI检出率显著高于CT(P0.05),CT平扫/增强扫描对C/D检出率为92.86%,误诊3例包括2例前列腺增生,1例膀胱癌;MRI对C/D检出率为95.24%,误诊2例均诊断为前列腺增生,两者检出率比较MRI稍高,但差异无统计学意义(P0.05)。结论 MRI诊断A、B期前列腺癌的准确性较CT平扫及增强扫描明显较高,主要因A、B期前列腺癌仅前列腺体积增大,密度无明显变化,且边缘较模糊对CT诊断产生影响,两种检测方式均可准确检出C、D期前列腺癌,考虑与癌组织已穿破被膜,前列腺的形态变化明显有关,但MRI可对被膜是否被癌细胞侵袭进行判断,因此较CT诊断价值更高。
[Abstract]:Objective to study the accuracy of MRI and CT in the diagnosis of prostate cancer with different pathological stages. Methods Sixty-one patients with prostate cancer in our hospital were examined by plain / enhanced CT scan (dual phase dynamic scan) and MRI. The accuracy of the two methods in detecting A / B / C / D prostate cancer was compared. Results in this study, there were 61 patients with stage A, 3 patients with stage B, 16 patients with stage C, 18 patients with stage D, 24 patients with stage D. The detection rate of A / B by plain scan / enhanced CT scan was 47.37B, missed diagnosis, misdiagnosis of 10 cases with benign prostatic hyperplasia, 6 cases with misdiagnosis as benign prostatic hyperplasia. In the other 4 cases, the detectable rate of missed MRI was 89.47% for A / B, and 2 cases for missed diagnosis. The detection rate of MRI was significantly higher than that of CT (P0.05) CT plain scan / enhanced scan (P 0.05). The detection rate of C / D in 3 misdiagnosed cases, including 2 cases of benign prostatic hyperplasia and 1 case of bladder cancer, was 95.24%, and 2 cases of misdiagnosis were all diagnosed as benign prostatic hyperplasia. The detection rate was slightly higher than MRI, but the difference was not statistically significant (P0.05). Conclusion the accuracy of MRI in the diagnosis of Aneb stage prostate cancer is significantly higher than that of CT plain scan and enhanced scan. The main reason is that the volume of prostate is increased, the density of prostate is not changed obviously, and the margin is blurred, which has an effect on CT diagnosis. Both methods can accurately detect stage D prostate cancer, which is related to the morphological changes of prostate gland which has been perforated by the tissue of cancer. However, MRI can judge whether the membrane is invaded by cancer cells, so it is more valuable than CT in the diagnosis of prostate cancer.
【作者单位】：广东省湛江市第二人民医院医学影像科;
【分类号】：R737.25;R445.2;R730.44

【相似文献】