Table 2: Detection of HPV in the Buccal Swabs of Head and Neck Cancer Patients by Two-Tube Nested and Single-Tube Seminested PCR

Case no. Diagnosis Stage Age Sex Two-Tube Nested Single-Tube Seminested
1 Laryngeal cancer IV 69 F - -
2 Nasopharyngeal cancer IV 33 M + -
3 Oral cancer II 47 M - -
4 Tonsillar cancer IV 73 F + +
5 Oral cancer IV 53 M - -
6 Nasopharyngeal cancer IV 59 M + +
7 Oral cancer III 53 M + +
8 Nasopharyngeal cancer I 51 F - -
9 Parotid Gland cancer NA 59 F - -
10 Laryngeal cancer IV 73 M + +
11 Nasopharyngeal cancer IV 53 F + -
12 Nasopharyngeal cancer IV 28 F + +
13 Nasopharyngeal cancer IV 50 F + +
14 Nasopharyngeal cancer IV 55 F + +
15 Nasopharyngeal cancer IV 57 M + +
16 Nasopharyngeal cancer IV 67 M - -
17 Nasopharyngeal cancer IV 19 M + +
18 Nasopharyngeal cancer IV 58 M - -
19 Oral cancer II 71 M + +
20 Nasopharyngeal Cancer IV 71 M - -
21 Nasopharyngeal cancer IV 47 M + +
22 Laryngeal cancer I 39 F - -
23 Nasopharyngeal cancer IV 60 M - -
24 Oral cancer IV 69 F + +
25 Nasopharyngeal cancer IV 30 M + +
26 Tonsillar cancer IV 58 F + +
27 Oropharyngeal cancer IV 75 M + +
28 Nasopharyngeal cancer IV 32 M + +
29 Sinonasal cancer NA 65 F + +
30 Sinonasal cancer NA 53 - -

+= positive; -= negative. NA = not available.