지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2012.1
- 수록면
- 3 - 7 (5page)
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초록· 키워드
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Background and Objectives : Nasopharyngeal carcinoma(NPC) shows a distinct geographic and demographic distribution with high incidences in Chinese and Southeast Asians. Current WHO classification divides NPC into nonkeratinizing carcinoma(NKC)(differentiated and undifferentiated subtypes), keratinizing squamous cell carcinoma(KSCC), and basaloid squamous cell carcinoma(BSCC). Relative frequency of histologic subtypes of NPC is known to vary according to the incidence of NPC. Korea is one of the low-incidence countries according to the GLOBOCAN 2008 database by IARC. The aim of this study is to assess the histopathologic types and EBV status of NPC of Koreans. Materials and Methods : We reviewed and reclassified 168 cases of NPC(132 males and 36 females) diagnosed from January 1996 through July 2006. In situ hybridization for EBV-encoded early RNA(EBER) was performed on 146 cases and the results were compared among different histologic types, genders, and age and stage groups. Results : NKC, undifferentiated subtype(NKC-U) was identified in 106 cases(63.1%) and differentiated subtype(NKC-D) in 49 cases(29.2%). Remaining 13 cases(7.7%) were classified as KSCC. NKC and NKC-U were more common in females than in males. EBV prevalence was higher in NKC than in KSCC(NKC-U, 90% ;, NKC-D, 84.1% ; KSCC, 7.7%) and more common in younger age(${\leq}40$) than older age(>40) group. Conclusion : Histologic type distribution and EBV prevalence of NPC in Korean patients corresponded to that of intermediate incidence area. Pathogenesis of nasopharyngeal KSCC is assumed to be different from that of NKC.
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