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目的:评价恶性风险指数(RMI)和Ferrazzi评分系统鉴别附件肿瘤良恶性的价值,利于内镜处理。方法:2008年10月～2010年6月期间收治的附件肿块患者331例,以RMI=150、Ferrazzi=8作为良恶性鉴别临界点,决定是否进行内镜处理,计算两者预测附件恶性肿瘤的敏感度、特异度、阳性预测值(PPV)、阴性预测值(NPV),对诊断符合率进行比较。结果:对附件肿物良恶性鉴别中,RMI和Ferrazzi有较高准确率。以150作为RMI临界值,其敏感度80.00%,特异度96.35%,PPV 68.57%,NPV 97.97%;以8作为Ferrazzi临界值,其敏感度86.67%,特异度95.54%,PPV 74.29%,NPV 97.97%。结论:RMI和Ferrazzi对附件恶性肿瘤的诊断明显相关,且Ferrazzi优于RMI能更准确地预测恶性,且对临床附件肿块是否内镜处理具有重要的指导意义。
OBJECTIVE: To evaluate the value of the malignant risk index (RMI) and the Ferrazzi scoring system in identifying the benign and malignant tumors and to facilitate endoscopic treatment. Methods: From October 2008 to June 2010, 331 patients with appendages were treated with RMI = 150 and Ferrazzi = 8 as the critical points for benign and malignant lesions to determine whether endoscopic treatment was performed or not. Sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), the diagnostic coincidence rate was compared. Results: In the benign and malignant lesions of appendages, RMI and Ferrazzi have higher accuracy. The sensitivity and specificity of Ferrazzi with 150 as the critical value of RMI were 80.00%, 96.35%, 68.57%, 97.97%, respectively. The sensitivity and specificity of Ferrazzi were 86.67%, 95.54%, 74.29% and 97.97%, respectively %. Conclusion: RMI and Ferrazzi are obviously related to the diagnosis of accessory malignant tumor. Ferrazzi better than RMI can predict the malignancy more accurately, and it is of great significance for endoscopic treatment of clinical appendages.