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Extra-Nodal Lymphomas of the Head and Neck and Oral Cavity: A Retrospective Study
Authors:Alfonso Sorrentino  Francesco Ferragina  Ida Barca  Antonella Arrotta  Maria Giulia Cristofaro
Affiliation:1.Department of Neurosciences, Reproductive and Odontostomatological Sciences, Unit of Maxillofacial Surgery, University Hospital of Naples “Federico II”, 80131 Napoli, Italy;2.Department of Experimental and Clinical Medicine, Unit of Maxillofacial Surgery, “Magna Graecia” University, Viale Europa, 88100 Catanzaro, Italy;3.Department of Medicine and Surgery Sciences, Magna Graecia University, Viale Europa, 88100 Catanzaro, Italy
Abstract:
Disease Overview: Lymphomas, both Hodgkin’s and non-Hodgkin’s lymphomas, are one of the most common cancers in the head and neck area. The extra-nodal variant of lymphoma is rare, but it is the most common non-Hodgkin’s lymphoma (ENHL). Furthermore, it is difficult to diagnose due to its non-specific clinical and radiological features, which can mimic other benign or malignant clinical manifestations. The study: This retrospective study involved 72 patients affected by head and neck ENHL in the period between 2003 and 2017. All patients underwent a diagnostic-therapeutic procedure according to the guidelines, and a 5-year follow-up. Based on the location of the swelling at the time of diagnosis, patients were divided into two groups: oral and non-oral ENHLs. Statistical analysis was performed using Kaplan–Meier analysis with the log-rank test. In addition, Fisher’s exact test was applied to the two groups to evaluate and compare variances (the acceptable significance level was set at p < 0.05). Conclusion: ENHL with oral localization is much more aggressive than ENHL with non-oral localization, with a death rate of 40% (versus 4.76 for the non-oral one). In fact, between the two groups, there is a statistically significant difference in mortality, with a p-value of 0.0001 and 0.0002, respectively.
Keywords:lymphoma, head and neck neoplasm, non-Hodgkin’  s lymphoma, extra-nodal non-Hodgkin’  s lymphoma, oral non-Hodgkin’  s lymphoma
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