DOI: 10.1148/radiol.260053 ISSN: 0033-8419
Reliability and Validity of Imaging-derived Extranodal Extension Grading Using CT and MRI in Nasopharyngeal Carcinoma
Pae Sun Suh, Jinna Kim, Dong Eon Kim, Kyunghwa Han, Kyung Hwan Kim, Hye Ryun Kim, Sun Och Yoon, Yoon Woo KohA proposed four-tier grading system for imaging (CT or MRI)–derived extranodal extension demonstrated excellent reliability and prognostic value in nasopharyngeal carcinoma, with grade 3 associated with worse overall survival than grade 0.