| Comparison of narrow-band imaging and conventional nasopharyngoscopy for the screening of unaffected members of families with nasopharyngeal carcinoma. | |
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MedLine Citation:
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PMID: 23341094 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Familial aggregation of nasopharyngeal carcinoma (NPC) has been widely reported. The excess risk is about 4-8-fold among first-degree relatives of NPC patients compared with those without a family history of the disease. We used nasopharyngoscopy and a narrow-band image system (NBI) to screen NPC high-risk patients and identify a good tool for the early detection of NPC in these high-risk groups. We recruited all available, affected blood relations of the patients. When NPC patients were more distant relatives, such as cousins, we recruited their shared second-degree relatives, such as unaffected aunts and uncles, to genetically connect the NPC cases. We performed transnasal endoscopy, first in white-light mode, then under the NBI system. There were two NBI patterns in NPC: microvascular proliferation and engorged blood vessels. The NBI pattern in normal nasopharyngeal mucosa was a regular cobblestone pattern. A prospective study included 211 asymptomatic members from 154 NPC families. We found four cases of NPC, all with a tumor stage of T1. In one patient (1/4), MRI revealed a 2-cm-diameter neck lymphadenopathy (N1). The correlation between conventional nasopharyngoscopy and NBI was very high (κ = 0.798, P = 0.000). In conclusions, NBI is not superior to conventional nasopharyngoscopy for the early detection of NPC in unaffected members of families with NPC history. The long-term follow-up is necessary in high-risk NPC patients. Further studies will be needed to determine which screening tool-conventional nasopharyngoscopy, NBI, or EB virus titer-is most effective. |
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Authors:
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Ching-Yin Ho; Kee-Tak Chan; Pen-Yuan Chu |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-23 |
Journal Detail:
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Title: European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery Volume: - ISSN: 1434-4726 ISO Abbreviation: Eur Arch Otorhinolaryngol Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-23 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9002937 Medline TA: Eur Arch Otorhinolaryngol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Otolaryngology, Taipei Veterans General Hospital and School of Medicine, National Yang-Ming University, No. 201, Sec. 2, Shih-Pai Rd, Taipei, 11217, Taiwan, cyho@vghtpe.gov.tw. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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