Diffuse large B-cell lymphoma of the sinonasal tract: Analysis of survival in 852 cases

Vivek V. Kanumuri, Mohemmed N. Khan, Alejandro Vazquez, Satish Govindaraj, Soly Baredes, Jean Anderson Eloy

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44 Scopus citations

Abstract

Purpose Diffuse large B-cell lymphomas (DLBCLs) are rare tumors of the head and neck that often have non-specific presentations and significant morbidity and mortality. In this analysis we use a large cohort to compare the demographic and disease-specific parameters affecting survival and incidence of DLBCLs. Methods The United States National Cancer Institute's Surveillance, Epidemiology, and End Results (SEER) registry was utilized to extract data regarding sinonasal diffuse large B-cell lymphoma between 1973 and 2009. A total of 852 cases of sinonasal DLBCLs were found. Presenting symptoms, demographics, disease specific survival, relative survival and survival by treatment modality were described for this rare tumor. Results Overall disease specific survival (DSS) at 1-year was 84.7% and at 5 years was 68.0%. DSS was significantly lower for those not treated with radiation therapy, with 1- and 5-year survival rates of 77.3% and 62.5%, versus those treated with radiation therapy, with 1- and 5-year rates of 89.2% and 71.5% (p < 0.05). Prognosis was significantly better for patients treated with radiation therapy (HR 0.6, p < 0.05) while it was poorer for patients with involvement of multiple sinuses (HR 1.5, 1.8, p < 0.05). Conclusions DLBCLs of the sinonasal tract are rare tumors of the head and neck. Survival is significantly improved for those treated with radiation therapy while the involvement of multiple sinuses is a negative prognostic indicator.

Original languageEnglish
Pages (from-to)154-158
Number of pages5
JournalAmerican Journal of Otolaryngology - Head and Neck Medicine and Surgery
Volume35
Issue number2
DOIs
StatePublished - Mar 2014

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