Table 2.

False-negative rates of US-guided CNB in various studies

Study	Year	Number (%) of false-negatives
Parker et al.[6]	1993	0 (0)
Liberman et al.[4]	1998	0 (0)
Yeow et al.[7]	2001	0 (0)
Smith et al.[8]	2001	0 (0)
Schoonjans et al.[9]	2001	0 (0)
Buchberger et al.[10]	2002	3 (1.3)
Schueller et al.[11]	2008	11 (1.6)
Dillon et al.[3]	2005	13 (1.7)
Youk et al.[12]	2008	31 (2.4)
Memarsadeghi et al.[13]	2003	5 (3.1)
Crystal et al.[14]	2005	12 (3.7)
Sauer et al.[15]	2005	24 (3.9)
Hatada et al.[16]	2000	7 (12.1)
Current study	2011	2 (0.1)