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  • Title: Post-operative intensity-modulated radiotherapy for malignancies of the nasal cavity and paranasal sinuses.
    Author: Dirix P, Nuyts S, Vanstraelen B, Nulens A, Hermans R, Jorissen M, Vander Poorten V, Van den Bogaert W.
    Journal: Radiother Oncol; 2007 Dec; 85(3):385-91. PubMed ID: 17963908.
    Abstract:
    PURPOSE: To evaluate the clinical outcome and toxicity of post-operative intensity-modulated radiotherapy (IMRT) for malignancies of the nasal cavity and paranasal sinuses. METHODS AND MATERIALS: Twenty-five patients with histological proven cancer of the paranasal sinuses (n=21) or nasal cavity (n=4) were post-operatively treated with IMRT at the Leuven department to a total dose of 60 Gy (n=15) or 66 Gy (n=10). Both acute and chronic toxicity were prospectively scored in all patients. RESULTS: Median follow-up was 27 months (range: 12-47 months) among surviving patients. The actuarial 2-year local control (LC), overall survival (OS) and disease-free survival (DFS) rates were 81%, 88% and 77%, respectively. One patient developed isolated distant metastasis, while none of the patients developed regional failure. No grade 3 or 4 toxicity was reported, either acute or chronic. No radiation-induced blindness or brain necrosis was reported to date, although longer follow-up has to be awaited for definitive results. CONCLUSION: Post-operative IMRT for sinonasal cancer resulted in similar local control and survival rates as conventional or 3D-conformal radiotherapy techniques, and was associated with little acute toxicity. Longer follow-up is necessary to confirm the lack of late complications.
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