Computer-aided diagnosis for contrast-enhanced ultrasound in the liver

Table 2 Performance of CAD scheme for classification in three categories using physicians’ subjective pattern classification n (%)

Lesion	n	Classification with CAD
		HCC	Metastasis	Hemangioma
HCC	74	73 (98.6)	1 (1.4)	0 (0.0)
Metastasis	33	2 (6.1)	28 (84.8)	3 (9.1)
Hemangioma	30	1 (3.3)	1 (3.3)	28 (93.3)

Overall diagnostic accuracy: 129/137 (94.2%). CAD performance was evaluated by a leave-one-case out method. Reproduced, with modification, form Sugimoto et al[31], Acad Radiol 2009; 16: 401-411.