Application of Real-Time Tissue Elastography with a Low Frequency Convex Array Probe: A Noninvasive Approach to Differential Diagnosis of Liver Tumors

Table 2

Sensitivity, specificity, and accuracy of the diagnosis criteria with elasticity type for benign tumor and malignant tumor, hepatocellular carcinoma, and metastatic tumor.

Diagnosis Criteria	Sensitivity (%)	Specificity (%)	Accuracy (%)
Type a or b as benign tumor; type c or d as malignant tumor	97.2 (69/71)	88.0 (44/50)	93.4 (113/121)
Type c as HCC	87.2 (34/39)	65.6 (21/32)	77.5 (55/71)
Type d as metastatic tumor	69.2 (18/26)	86.7 (39/45)	80.3 (57/71)