Concentration of Cd, Pb, Hg, and Se in Different Parts of Human Breast Cancer Tissues

Table 2

A comparison between mean Cd, Pb, and Se concentration (μg/kg) in breast cancer tissues in our research with previous studies.

Reference	Number of Samples	Conc. of Cd	Conc. of Pb	Conc. of Se
Rizk and Sky-Peck, 1984 [18]	26		1.55±1.24 (D.W)	1.02±0.43 (D.W)
Tariq et al., 1995 [19]	2	0.36 (W.W)	1.36 (W.W)
Antila et al., 1996 [20]	43	20.4±17.5 (D.W)
Majewska et al., 1997 [21]	26		0.331±0.083 (D.W)	0.121±0.022 (D.W)
Kuo et al., 2002 [29]	68			1.05±0.47 (D.W)
Siddiqui et al., 2006 [22]	25		0.54±0.12 (D.W)
Majewska et al., 2007 [25]	26			0.156±0.075 (D.W)
Kubala-kukuś et al., 2007 [23]	26		0.335±0.289 (D.W)
Pasha et al., 2008 [26]	53	1.21±2.64 (W.W)	8.32±13.2 (W.W)
Alatise and Schrauzer, 2010 [17]	12		0.11 (D.W)	0.96 (D.W)
Strumylaite et al., 2011 [27]	51	0.053 (D.W)
Romanowicz-Makowska et al., 2011 [28]	67	0.76±0.38 (D.W)
Our research
Tegmen	14	35.51±14.43 (D.W)	336.18±119 (D.W)	767.6±336.36 (D.W)
Tumor	14	45.04±18.85 (D.W)	327.50±96.37 (D.W)	1040.26±562.12 (D.W)
Tumor adiposity	14	41.15±18.42 (D.W)	396.52±176.94 (D.W)	823.88±320.54 (D.W)
Tegmen adiposity	14	32.95±6.27 (D.W)	365.73±138.35 (D.W)	731.79±397.35 (D.W)

D.W: dry weight; W.W: wet weight.