Table 1

Frequency of methylation of multiple genes in FNA washings from women suspected to harbor breast cancer

Cytologic diagnosisnMethylation analysis
CDH1GSTP1BRCA1RARĪ²
Benign2515 (60%)13 (52%)8 (32%)4 (16%)
Malignant7650 (65.8%)44 (57.9%)30 (39.5%)26 (34.2%)
Suspicious64 (66.7%)0 (0%)0 (0%)0 (0%)
Insufficient169 (56.3%)5 (31%)3 (18.8%)4 (25%)