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  • Title: Stage III-IV sinonasal and nasal cavity carcinoma treated with three-dimensional conformal radiotherapy.
    Author: Gabriele AM, Airoldi M, Garzaro M, Zeverino M, Amerio S, Condello C, Trotti AB.
    Journal: Tumori; 2008; 94(3):320-6. PubMed ID: 18705398.
    Abstract:
    AIMS AND BACKGROUND: To report the dosimetric data and clinical outcomes of patients with advanced neoplasm of the paranasal sinuses and nasal cavity, treated by three-dimensional conformal radiotherapy. METHODS: Between 2000 and 2005, 31 consecutive patients were treated for locally advanced tumors of paranasal sinuses and nasal cavity. The primary tumor was located as follows: maxillary sinus 15 (48.4%); ethmoid sinus 10 (32.3%); nasal cavity 6 (19.3%). The patients were separated in two groups according to the modality of treatment: group A included 21 patients treated with postoperative three-dimensional conformal radiotherapy with or without chemotherapy; group B included 10 patients treated with radical three-dimensional conformal radiotherapy with or without chemotherapy. The median radiation dose to the planning target volume was 60 Gy (range, 56-63) for patients who underwent complete surgical resection and 68 Gy (range, 64-70) for those who did not have tumor resection or patients with residual disease. RESULTS: The median follow-up was 42 months. Five-year local tumor control and overall survival actuarial rates were 74% and 72%, respectively, in the postoperative setting, 20% and 25%, respectively, with the primary radiotherapy. Local recurrence was the most common site of failure. No patient developed radio-induced blindness; 4 patients underwent enucleation as part of radical surgery. Dosimetric data are reported. CONCLUSIONS: The local control rate for these tumors remains low. The prognosis depends on localization, tumor stage and treatment modality. Three-dimensional conformal radiotherapy reduces the risk on optical pathways but does not modify outcome.
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