Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery · 2016
Significance of Tumor Stage in Sinonasal Undifferentiated Carcinoma Survival: A Population-Based Analysis.
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Kuan Edward C, Arshi Armin, Mallen-St Clair Jon, Tajudeen Bobby A, Abemayor Elliot, St John Maie A
Аннотация
OBJECTIVE: To describe the incidence and determinants of survival of patients with sinonasal undifferentiated carcinoma (SNUC) from 1973 to 2011 using the SEER database (Surveillance, Epidemiology, and End Results), with consideration of tumor stage based on the Kadish system.
STUDY DESIGN: Retrospective database analysis.
SETTING: Academic medical center.
SUBJECTS AND METHODS: The SEER registry was utilized to calculate survival trends for 328 patients with SNUC between 1973 and 2011. Patient data were then analyzed with respect to histopathology, age, sex, race, subsite, modified Kadish stage, tumor size, and treatments rendered.
RESULTS: The cohort was composed of 61.9% males with median age of 60 years. The median overall survival (OS) was 1.9 years. Most tumors presented in the nasal cavity, maxillary sinus, and ethmoid sinus (29.3%, 27.4%, 21%, respectively); 43.7% of patients received both surgical and radiation therapy. OS at 2, 5, and 10 years was 43%, 30%, and 25%, respectively. On univariate analysis, age, Kadish stage, and tumor size were associated with worse OS and disease-specific survival (DSS), while surgery and radiation therapy were associated with improved OS and DSS (all P < .05). On multivariate analysis, radiation therapy and lower Kadish stage were associated with improved OS and DSS, while younger age was additionally associated with improved OS (all P < .05).
CONCLUSION: SNUC is a rare but aggressive sinonasal malignancy. Tumor stage as determined by the Kadish system is associated with worse survival, with radiation therapy appearing to play a key role in therapeutic management.
STUDY DESIGN: Retrospective database analysis.
SETTING: Academic medical center.
SUBJECTS AND METHODS: The SEER registry was utilized to calculate survival trends for 328 patients with SNUC between 1973 and 2011. Patient data were then analyzed with respect to histopathology, age, sex, race, subsite, modified Kadish stage, tumor size, and treatments rendered.
RESULTS: The cohort was composed of 61.9% males with median age of 60 years. The median overall survival (OS) was 1.9 years. Most tumors presented in the nasal cavity, maxillary sinus, and ethmoid sinus (29.3%, 27.4%, 21%, respectively); 43.7% of patients received both surgical and radiation therapy. OS at 2, 5, and 10 years was 43%, 30%, and 25%, respectively. On univariate analysis, age, Kadish stage, and tumor size were associated with worse OS and disease-specific survival (DSS), while surgery and radiation therapy were associated with improved OS and DSS (all P < .05). On multivariate analysis, radiation therapy and lower Kadish stage were associated with improved OS and DSS, while younger age was additionally associated with improved OS (all P < .05).
CONCLUSION: SNUC is a rare but aggressive sinonasal malignancy. Tumor stage as determined by the Kadish system is associated with worse survival, with radiation therapy appearing to play a key role in therapeutic management.