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Radiographic assessment of the sinuses in patients treated for nasopharyngeal carcinoma
Radiographic assessment of the sinuses in patients treated for nasopharyngeal carcinoma AMERICAN JOURNAL OF RHINOLOGY Raviv, J., Downing, L., Le, Q., Hwang, P. 2008; 22 (1): 64-67Abstract
Patients undergoing therapy for nasopharyngeal carcinoma (NPC) often experience dysfunction of the sinonasal mucosa as a side effect of radiotherapy and chemotherapy. Sinonasal mucosal changes may vary throughout the treatment and posttreatment periods, but little objective data exist characterizing such changes. We evaluated serial radiologic changes of the paranasal sinus mucosa in patients with NPC undergoing treatment.Medical and radiographic records were reviewed for all patients treated for NPC between 2004 and 2006 at Stanford University Medical Center. Pretreatment computed tomography (CT) images served as the baseline images for comparison, and posttreatment CT and magnetic resonance imaging (MRI) images were categorized temporally into 3-month intervals, up to 25 months after initiation of treatment. Images were scored in a blinded fashion using the Lund-Mackay (LM) staging system.Thirty-five patients received treatment for NPC during the study period, of whom 27 had adequate data for analysis and inclusion in the study. The mean pretreatment LM score was 1.41, and a statistically significant increase in LM score was observed at 3, 6, 9, 12, 15, and 18, 22, and 28 months. There was continued progression of radiologic sinus opacification over the first 30 months after treatment.The treatment of NPC with radiotherapy and chemotherapy is associated with radiologic evidence of sinus mucosal thickening. The extent of mucosal thickening can be expected to progress after treatment for up to 30 months. Patients undergoing treatment for NPC should be monitored carefully throughout the posttreatment period for clinical manifestations of dysfunctional sinonasal mucosa.
View details for DOI 10.2500/ajr.2007.21.3091
View details for Web of Science ID 000253232100012
View details for PubMedID 17958946