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ORIGINAL ARTICLE
Year : 2013  |  Volume : 3  |  Issue : 2  |  Page : 106-111

Surgical management of the neck in oral cancers: A single-institute experience from South India


1 Department of Surgical Oncology, Sri Venkateswara Institute of Medical Sciences, Tirupati, Andhra Pradesh, India
2 Department of Pathology, Sri Venkateswara Institute of Medical Sciences, Tirupati, Andhra Pradesh, India

Correspondence Address:
Amitabh Jena
Department of Surgical Oncology, Sri Venkateswara Institute of Medical Sciences, Tirupati - 517 507,
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2278-9596.122928

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Background: Oral cancers are not uncommon. We have analyzed the incidence of nodal metastasis in oral cancer clinically and compared it with the final histopathology examination (HPE) report, correlating the pathologically positive lymph nodes with different parameters such as tumor sites, pathological stage, differentiation, lymphovascular, perivascular extension and perineural invasion. Materials and Methods: This retrospective study was carried out on patients who were evaluated with a histological diagnosis of oral cancer from 2008 to 2012. Lymph node positivity was established by clinical and ultrasound evaluation in 218 patients who underwent neck dissection for oral cancer. This was compared with the histopathology findings. Results: The most common site of oral cancer was buccal mucosa. Histopathologically, majority were squamous cell carcinoma (SCC). Lymph node positivity was observed for different sites as follows: buccal mucosa (26.7%), gingivo-buccal sulcus (20.8%), retromolar trigone (40%), tongue (50%), and floor of mouth (100%). In well-differentiated SCC, node positivity was 25.4%. In moderately differentiated SCC, it was 52.3% and in poorly differentiated SCC, it was 50%. Five cases of verrucous carcinoma did not show any lymph node positivity. According to the pathological staging, the lymph node positivity was as follows: T1 (25.58%), T2 (23.59%), T3 (37%), and T4 (34.78%). Out of 218 patients, 5.5% patients showed positive resected margin, 1.8% patients showed skip metastasis, and 14.6% patients had lymphovascular or perivascular invasion. Univariate analysis showed significant correlation of lymph nodal metastasis with various clinicopathological parameters like tumor site, stage, and differentiation. Conclusion: In our female predominant study group, mostly locally advanced tumors were encountered involving the alveobuccal subsites. Standard neck dissections play an important role in the control of neck disease.


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