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Cytology and human papillomavirus testing on cytobrushing samples from patients with head and neck squamous cell carcinoma.

Abstract：

BACKGROUND:The increasing incidence of human papillomavirus (HPV)-related head and neck squamous cell carcinoma (HNSCC) highlights the need for simple and effective tools to evaluate head and neck lesions and their HPV status. The main objective of the current study was to investigate the association between abnormal cytology and HPV infection, assessed on cytobrushing samples, and histologically confirmed HNSCC. Second, the authors attempted to investigate whether HPV status on cytobrushing samples reflected that of the tumoral tissue. METHODS:A total of 164 samples from HNSCC, nonmalignant lesions, or healthy mucosae of the oral cavity and oropharynx were collected by cytobrushing in PreservCyt solution and evaluated by liquid-based cytology and Linear Array HPV genotyping test. All the findings from the cytologic samples were compared with those from the corresponding histologic samples. RESULTS:Patients with abnormal cytology had a significantly higher risk of having an HNSCC (odds ratio [OR], 9.18; 95% confidence inteval [95% CI], 3.27-26.49). The association was stronger for oral cancer (OR, 10.86; 95% CI, 2.51-51.06) than oropharyngeal cancer (OR, 8.45; 95% CI, 1.62-49.82). HPV positivity in the oropharyngeal cytobrushing was associated with a nearly 5-fold higher risk of having abnormal cytology (OR, 4.57; 95% CI, 1.57-13.57) as well as histologically proven oropharyngeal cancer (OR, 5.09; 95% CI, 1.09-31.61). Comparing the HPV status on cytologic and corresponding histologic samples from patients with HNSCC, we found that 90.4% of the cases were concordant (kappa, 0.796). CONCLUSIONS:Abnormal brushing cytology is strongly associated with a diagnosis of HNSCC, whereas HPV positivity on cytobrushing samples is only associated with oropharyngeal cancer. HPV testing on cytobrushing samples represents a valid option for the assessment of HPV infection in patients with oropharyngeal cancer.

journal_name

Cancer

journal_title

Cancer

authors

Donà MG,Giuliani M,Vocaturo A,Spriano G,Pichi B,Rollo F,Ronchetti L,Covello R,Pescarmona E,Benevolo M

doi

10.1002/cncr.28909

subject

Has Abstract

pub_date

2014-11-15 00:00:00

pages

3477-84

issue

eissn

0008-543X

issn

1097-0142

journal_volume

120

pub_type

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Cytology and human papillomavirus testing on cytobrushing samples from patients with head and neck squamous cell carcinoma.