The effect of betel quid and cigarette on multistate progression of oral pre-malignancy

Amy Ming Fang Yen, Shao Ching Chen, Shu Hui Chang, Tony Hsiu Hsi Chen

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

BACKGROUND: Although the effect of betel quid chewing and smoking on oral cancer has been well documented, both influences, dose and duration during life time, on multistate progression of oral pre-malignancy are hardly addressed. METHODS: By recruiting a group of male chewers from different occupation groups, we modeled the effects of both duration and quantity of betel quid chewing and smoking on annual incidence rate of developing leukoplakia and average dwelling times (ADTs) staying in leukoplakia and erythroleukoplakia. RESULTS: The annual incidence rate (per year) of leukoplakia was estimated as 0.35% (95% CI: 0.22-0.48%). The ADTs were 24 years for leukoplakia and 7 years for erythroleukoplakia. Annual incidence rate of leukoplakia with high consumption and long duration of betel quid and smoking was higher. Both quantity and duration of smoking and betel quid chewing play minor roles in the influence of ADT. The risks of developing oral cancer after 20 years of follow-up were 42.2% for leukoplakia and 95.0% for erythroleukoplakia. CONCLUSION: The effects of betel quid chewing and smoking on multistate progressions between oral pre-malignancies were elucidated. These results can be applied to predict long-term risk of malignant transformation varying with different duration and quantity of betel quid and cigarette. J Oral Pathol Med (2008) 37: 417-422

Original languageEnglish
Pages (from-to)417-422
Number of pages6
JournalJournal of Oral Pathology and Medicine
Volume37
Issue number7
DOIs
Publication statusPublished - Aug 2008
Externally publishedYes

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Leukoplakia
Tobacco Products
Mastication
Smoking
Neoplasms
Mouth Neoplasms
Incidence
Occupations

Keywords

  • Betel quid
  • Natural history
  • Oral cancer
  • Oral premalignant lesions
  • Smoking

ASJC Scopus subject areas

  • Cancer Research
  • Pathology and Forensic Medicine
  • Otorhinolaryngology
  • Oral Surgery
  • Periodontics
  • Medicine(all)

Cite this

The effect of betel quid and cigarette on multistate progression of oral pre-malignancy. / Yen, Amy Ming Fang; Chen, Shao Ching; Chang, Shu Hui; Chen, Tony Hsiu Hsi.

In: Journal of Oral Pathology and Medicine, Vol. 37, No. 7, 08.2008, p. 417-422.

Research output: Contribution to journalArticle

Yen, Amy Ming Fang ; Chen, Shao Ching ; Chang, Shu Hui ; Chen, Tony Hsiu Hsi. / The effect of betel quid and cigarette on multistate progression of oral pre-malignancy. In: Journal of Oral Pathology and Medicine. 2008 ; Vol. 37, No. 7. pp. 417-422.
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AB - BACKGROUND: Although the effect of betel quid chewing and smoking on oral cancer has been well documented, both influences, dose and duration during life time, on multistate progression of oral pre-malignancy are hardly addressed. METHODS: By recruiting a group of male chewers from different occupation groups, we modeled the effects of both duration and quantity of betel quid chewing and smoking on annual incidence rate of developing leukoplakia and average dwelling times (ADTs) staying in leukoplakia and erythroleukoplakia. RESULTS: The annual incidence rate (per year) of leukoplakia was estimated as 0.35% (95% CI: 0.22-0.48%). The ADTs were 24 years for leukoplakia and 7 years for erythroleukoplakia. Annual incidence rate of leukoplakia with high consumption and long duration of betel quid and smoking was higher. Both quantity and duration of smoking and betel quid chewing play minor roles in the influence of ADT. The risks of developing oral cancer after 20 years of follow-up were 42.2% for leukoplakia and 95.0% for erythroleukoplakia. CONCLUSION: The effects of betel quid chewing and smoking on multistate progressions between oral pre-malignancies were elucidated. These results can be applied to predict long-term risk of malignant transformation varying with different duration and quantity of betel quid and cigarette. J Oral Pathol Med (2008) 37: 417-422

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