The purpose of this study was to investigate the clinical relevance of subtypes categorized by immunophenotypic analysis in primary sinonasal lymphomas.
Department of Radiation Oncology, Yonsei Cancer Center, Yonsei University, College of Medicine, Brain Korea 21 Project for Medical Science, Seodaemoon-Gu, Shinchon-Dong 134, Seoul 120-752, Korea. gekim@yumc.yonsei.ac.kr