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目的:评价PET/CT显像对于肾细胞癌恶性程度分级、临床分期及预后的价值。方法:回顾性分析46例临床诊断为肾细胞癌患者的PET/CT显像结果,与其他影像资料结果相比较,探讨其与肾细胞癌分级、临床分期及预后的关系。结果:46例患者中,经手术病理确诊为肾细胞癌者37例,其余9例因PET/CT显像发现有转移病灶放弃手术。PET/CT检查结果真阳性41例,假阴性5例,敏感度为89.1%,其他影像资料敏感度为84.8%。37例手术患者中,3级肾细胞癌病理分组间SUV差异均有统计学意义,P值分别为0.034、0.012和0.021。17例死亡病例,平均生存期为9个月,最大SUV越高,患者的生存期相对就越短。结论:PET/CT显像结果与肾细胞癌分级有关,分级越高,阳性率越高;PET/CT显像对于肾细胞癌临床分期及预后亦有重要价值。
Objective: To evaluate the value of PET / CT imaging in the classification of malignant renal cell carcinoma, clinical stage and prognosis. Methods: The results of PET / CT scans of 46 patients with renal cell carcinoma were retrospectively analyzed. Compared with other imaging data, the relationship between them and the grade, clinical stage and prognosis of renal cell carcinoma was explored. Results: Of the 46 patients, 37 were diagnosed as renal cell carcinoma by operation and pathology, and the remaining 9 patients were found to have metastatic lesions due to PET / CT imaging. The results of PET / CT were 41 cases of true positive and 5 cases of false negative, the sensitivity was 89.1% and the sensitivity of other imaging data was 84.8%. Among the 37 surgical patients, there were significant differences in SUV between pathological groups of grade 3 renal cell carcinoma, with P values of 0.034, 0.012 and 0.021.17 respectively. The average survival time was 9 months and the maximum SUV was higher. The shorter the patient’s survival period is. Conclusion: The results of PET / CT imaging are related to the grade of renal cell carcinoma. The higher the grade, the higher the positive rate. The PET / CT imaging is also of great value in the clinical stage and prognosis of renal cell carcinoma.