Table 1.

Amounts of DNA and quality of cytology obtained by using the 2 collection methods tested

Biopsy (n = 11)Wash fluid (method 1)Biopsy (n = 37)Wash fluid (method 2)
Total (n = 11)IT (n = 8)NI (n = 3)Total (n = 37)IT (n = 18)NI (n = 19)
DNA, μg21.28 ± 15.2515.00 ± 11.1217.08 ± 13.0016.53 ± 16.88
Cytology
 Diagnosable21117116
 Not diagnosable97220713
18.2%12.5%33.3%45.9%61.1%31.6%

Abbreviations: IT: invasive tumors, NI: noninvasive tumors.