Abstract:
:We would like to compare the effectiveness of image-guided (IGRT) and intensity-modulated (IMRT) radiotherapy to spare the larynx in head and neck cancer patients. A retrospective review of 48 patients undergoing radiation for non-laryngeal and non-hypopharyngeal head and neck cancers. Mean laryngeal and hypopharyngeal dose was compared between 11 patients treated with IMRT and 37 patients treated with IGRT. Mean laryngeal dose was, respectively, 41.2 Gy and 22.8 Gy for the IMRT and IGRT technique (p<0.001). The radiation dose to the middle and inferior pharyngeal muscles was also significantly reduced with the IGRT technique. Mean pharyngeal dose was, respectively, 52 Gy and 26 Gy for the IMRT and IGRT technique (p=0.0001). Laryngeal sparing IGRT technique for head and neck cancer minimizes radiotherapy dose to the larynx and pharynx without sacrificing target coverage, even in the presence of neck lymph nodes.
journal_name
Oral Oncoljournal_title
Oral oncologyauthors
Nguyen NP,Ceizyk M,Vos P,Vinh-Hung V,Davis R,Desai A,Abraham D,Krafft SP,Jang S,Watchman CJ,Ewell L,Hamilton R,Smith-Raymond Ldoi
10.1016/j.oraloncology.2010.01.010subject
Has Abstractpub_date
2010-04-01 00:00:00pages
283-6issue
4eissn
1368-8375issn
1879-0593pii
S1368-8375(10)00022-9journal_volume
46pub_type
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