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. 2008 May;30(5):595-9.
doi: 10.1002/hed.20748.

Management of sinonasal undifferentiated carcinoma

Emily D Tanzler  1 , Christopher G Morris, Christine A Orlando, John W Werning, William M Mendenhall
Affiliations

Management of sinonasal undifferentiated carcinoma

Emily D Tanzler et al. Head Neck. 2008 May.

Abstract

Background: Our aim was to report the outcomes of treatment for sinonasal undifferentiated carcinoma (SNUC).

Methods: Between September 1992 and October 2005, 15 patients were treated with curative intent with surgery (n=1), surgery and adjuvant radiotherapy (n=9), and definitive radiotherapy (RT) (n=5). Follow-up ranged from 11 to 151 months (median, 30); follow-up on living patients ranged from 12 to 151 months (median, 22). No patient was lost to follow-up.

Results: Seven patients (47%) developed a recurrence from 3 to 50 months (median, 9) after treatment. The 3-year outcomes were: local control, 78%; locoregional control, 65%; distant metastasis-free survival, 82%; cause-specific survival, 77%, and survival, 67%. The local control rates versus treatment modality were: surgery, 0/1 (0%); surgery and postoperative RT, 7/7 (100%); preoperative RT and surgery, 2/2 (100%); and definitive RT, 2/5 (40%). One patient (7%) treated with surgery and postoperative RT sustained a fatal complication.

Conclusions: Combined surgery and adjuvant RT likely offer the best chance of cure compared with either modality alone. The impact of adjuvant chemotherapy is unclear.

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