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  • Title: Multimodality therapy in advanced paranasal sinus carcinoma: superior long-term results.
    Author: Lee MM, Vokes EE, Rosen A, Witt ME, Weichselbaum RR, Haraf DJ.
    Journal: Cancer J Sci Am; 1999; 5(4):219-23. PubMed ID: 10439167.
    Abstract:
    PURPOSE: This study was conducted to determine the efficacy of multimodality treatment for stage III and IV, locoregionally advanced paranasal sinus carcinoma. PATIENTS AND METHODS: A subgroup analysis of 19 consecutive patients with stage III or IV paranasal sinus carcinoma treated with multimodality therapy from head and neck cancer protocols between 1984 and 1996 were analyzed for outcome. Sixteen patients received induction chemotherapy consisting of three cycles of cisplatin and 5-fluorouracil, followed by traditional resection (14 patients) or surgical debulking (two patients). Surgery was followed by concomitant chemoradiotherapy with hydroxyurea and 5-fluorouracil in a week-on, week-off sequence in 15 patients. One patient received standard radiation therapy. An additional three patients were treated with a sequence of surgical resection followed by concomitant chemoradiotherapy. The median total dose to the primary tumor was 60 Gy (range, 45-74 Gy). RESULTS: The overall survival at 5 and 10 years by lifetable analysis was 72.7% and 53.9%, respectively, and the disease-free survival at both 5 and 10 years was 66.6%. Local control was 76.1% at both 5 and 10 years. In the subgroup of patients treated with induction chemotherapy, 87% (14/16) achieved a clinical response. A complete response was confirmed at the time of surgery in five patients, whereas 11 patients had residual disease in the surgical specimen. Regional and distant failures were unusual (one patient each), with a 10-year regional control rate of 93% and a distant control rate of 95.5%. Serious, nonreversible long-term complications included two cases of unilateral blindness, one cataract, and one case of ototoxicity. DISCUSSION: An excellent long-term outcome with respect to local control, overall survival, and disease-free survival is achieved in locoregionally advanced paranasal sinus cancer treated with induction chemotherapy, surgery, and concomitant chemoradiotherapy. The 15 patients treated with this regimen had 10-year overall survival, disease-free survival, and local control rates of 56%, 73%, and 79%, respectively. These results are encouraging and are superior to the 40% survival achieved with surgery and radiation therapy. Further investigation of this regimen is warranted.
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