Abstract
The major prognostic factor in head-neck squamous cell carcinoma is the status of lymph nodes. Though there are studies addressing the role of neck dissection in organ preservation protocol, a lacuna still exists as far as the question of upfront neck dissection arises. Despite the potential benefits of upfront neck dissection; the benefits have not been well researched and thus its place in management of head-neck cancers undergoing organ preservation protocol is still questionable. We conducted an observational study in 22 patients with T1 - 2N2 - 3a biopsy proven squamous cell carcinoma of hypopharynx, oropharynx and laryngopharynx which were eligible for organ preservation protocol for their primary site. The primary outcome was to calculate their overall survival rate at 5 years. Overall 5 year survival rate was 68.12%, 5-year Disease free survival rate was 77.2%. The time to start for the primary site, after neck dissection however had a significant effect on overall survival. Those who had a delay of 21 days or less had 80.1% survival at 5 years compared to those who started at 30 days (61.3%) and drastically reduced in those who started at 39 days (20.4%). Log-rank test for the effect of nodal status showed a significant difference in terms of 5 year survival between the groups(p = .027). The 5 year survival rates for N2A, N3A and N2B nodal status were 88.8%, 50% ,and 54.5% ,respectively. We strongly favour upfront neck dissections in a subset of head-neck squamous cell carcinoma cases with T1 - 2N2 - 3a eligible for organ preservation regimen.
Published Version
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