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To evaluate for the first time the prevalence of human papillomavirus in oropharyngeal squamous cell carcinoma in a Middle-Eastern population, and to determine associations between human papillomavirus profiles and clinicopathological characteristics.
A retrospective chart review was conducted of all patients treated for oropharyngeal squamous cell carcinoma at the Hotel Dieu de France University Hospital (Beirut, Lebanon) between January 2010 and 2016. Existing formalin-fixed paraffin-embedded tumour samples were analysed. Human papillomavirus DNA viral load and p16 expression were evaluated using polymerase chain reaction and immunohistochemistry respectively.
Thirty patients (mean age of 60 years) were included. Twenty-seven per cent of patients were p16-positive/human papillomavirus DNA positive, 53 per cent were p16-negative/human papillomavirus DNA negative and 20 per cent were p16-positive/human papillomavirus DNA negative. Human papillomavirus 16 was the most frequent subtype (75 per cent). Smoking and alcohol consumption were significantly lower in the human papillomavirus positive group compared to the human papillomavirus negative group (p = 0.049 and 0.004, respectively).
Human papillomavirus rate was lower than reported rates in Western populations. Possible explanations include differences in social and cultural behaviours.
To review the safety of thyroidectomy combined with cervical neck dissection without drainage, in patients with papillary thyroid carcinoma.
Materials and methods:
Two groups were defined depending on whether cervical neck dissection was or was not performed (groups one and two, respectively).
Group one included 153 patients with central neck dissection and 52 patients with central and lateral neck dissection. Group two included 121 patients. Post-operative drainage was not used in either group. Overall, 17 patients (5 per cent) developed post-operative haematoma and/or seroma: 12 patients (6 per cent) in group one and 5 patients (4 per cent) in group two. There were no major bleeding episodes; only minor bleeding or seroma was encountered, not requiring surgical intervention. Overall, 91 per cent of patients had a post-operative stay of 1 day. The number of peri-operative local complications and length of stay did not differ significantly between the two groups.
Thyroidectomy plus cervical neck dissection without drainage is safe and effective in the treatment of papillary thyroid carcinoma.
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