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Interaction of factors associated with cancer of the nasopharynx
Author(s) -
Lin T. M.,
Yang C. S.,
Tu S. M.,
Chen C. J.,
Kuo K. C.,
Hirayama T.
Publication year - 1979
Publication title -
cancer
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.052
H-Index - 304
eISSN - 1097-0142
pISSN - 0008-543X
DOI - 10.1002/1097-0142(197910)44:4<1419::aid-cncr2820440437>3.0.co;2-a
Subject(s) - medicine , nasopharyngeal carcinoma , etiology , cancer , titer , throat , dermatology , immunology , antibody , surgery , radiation therapy
A retrospective study of nasopharyngeal carcinoma (NPC) revealed that smoking, working under poor ventilation, use of nasal balms or oil for nasal and throat troubles, use of herbal drugs, and anti‐EBV antibody titer were found statistically associated. The dual interactions of these factors to the risk of NPC were presented. Except in work conditions with poor ventilation and when herbal drugs are used, all the combinations were synergistic. The synergistic actions were especially remarkable with smoking and other factors. The possible etiological mechanisms of NPC are discussed.