Table 3

Papillomavirus sequences demonstrated

Tumor pairs
Number
HPV typesa

Carcinoma+ nipple+
17
Same type in both samples: 11 (7×)b, 6 (1×)b, 57 (2×)
Different types: 3, 15, 16, 20, 21, 23, 27, 37, 38, 66, 87, DL250, DL473, GA3-1
Carcinoma- nipple+
3
6, 11, 32, 37, 66
Carcinoma+ nipple-
8
6, 11, 24, 87, DL250, DL473
Carcinoma- nipple-
1


aInfection with multiple human papillomavirus (HPV) types was demonstrated in eight carcinoma samples (27.6%) and ten nipple samples (34.5%).

bOne pair harboured HPV 6, HPV 11 and HPV 57 DNA.

de Villiers et al. Breast Cancer Res 2005 7:R1   doi:10.1186/bcr940