Abstract:
:Fiberoptic endoscopic examination and biopsy of the nasopharynx was done in 130 patients as a prospective study. They all had elevated titers of antibodies against the viral capsid antigen of Epstein-Barr virus but no symptoms or signs of nasopharyngeal carcinoma. Each underwent a biopsy from six fixed sites in the nasopharynx. Of the 780 biopsy specimens taken from seven patients, 11 showed the presence of nasopharyngeal carcinoma. Techniques to improve the yields of such biopsies with fiberoptic endoscopy are discussed. The presence of tumor was unrelated to the macroscopic endoscopic findings. The highest incidence of subclinical tumor is in the pharyngeal recess.
journal_name
Cancerjournal_title
Cancerauthors
Wei WI,Sham JS,Zong YS,Choy D,Ng MHdoi
10.1002/1097-0142(19910615)67:12<3127::aid-cncr282subject
Has Abstractpub_date
1991-06-15 00:00:00pages
3127-30issue
12eissn
0008-543Xissn
1097-0142journal_volume
67pub_type
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