Under the guide of CTF, sensitivity for neoplasm was 93%, and specificity was 100%, positive predictive rate was 100% and negative 87 9%, with accuracy of 95 7%.

• CTF法引导经皮穿刺活检对肿瘤性病变的敏感性为 93%25 ,特异性 10 0%25 ,阳性预测值 10 0%25 ,阴性预测值87 9%25 ,准确性 95 7%25。