Abstract
Abstract Background Data suggest that buccal mucosa squamous cell carcinoma (SCC) is the most common malignancy in India. In this study, we presented our 5-year clinical experience with oral SCC and examined factors associated with surgical outcomes. Methods In this retrospective study, 45 patients diagnosed with SCC of buccal mucosa (January 2013–December 2018) underwent wide local excision (WLE) and neck dissection at our institution. Adjuvant radiotherapy (RT)/chemotherapy (CT) was given. Most were aged 60–69 (44.4%, n = 20), mean age of 58 ± 8.2 years, with a female-to-male ratio of 1.14. Tumor thickness, extracapsular spread (ECS), and survival were analyzed with ≥ 5-year follow-up for different stages. Results The data was analyzed revealing that the T1 stage was most common (55.6%, n = 25), followed by T3 and T4 (15.6%, n = 7 each), then T2 (13.3%, n = 6). Smaller tumors had lower grades. Nodal involvement was seen in 44.4% (n = 20), with N2 stage being the most frequent. Larger tumors had a greater propensity for invasion. Survival probability was 71.1%. The T1 stage showed a higher survival rate than other stages. Nodal involvement reduced survival probability (29.5%). ECS with neural and vascular invasion significantly lowered survival (12%). All associations were highly significant (P < 0.001). Conclusion Effective locoregional control is crucial for managing buccal mucosa SCC. Supraomohyoid neck dissection is recommended, even for the clinically negative neck with tumor thickness greater than 0.4 cm. Postoperative RT with or without CT, clear margins, and early detection enhance the survival outcomes of the patients.
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