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Second head and neck cancers and tobacco usage
Michael S Tomek1, W Frederick McGuirt
1Department of Otolaryngology-Head and Neck Surgery, Wake Forest University-Baptist Medical Center, Winston-Salem, NC 27157, USA.
American Journal of Otolaryngology
|February 13, 2003
Summary
For head and neck cancer patients, continuing to smoke after diagnosis showed no difference in second primary tumor frequency compared to quitting. This suggests cumulative cellular damage may be more critical than smoking cessation alone.
Area of Science:
- Oncology
- Cancer Research
- Epidemiology
Background:
- Head and neck cancers are strongly linked to smoking.
- Understanding risk factors for second primary tumors is crucial for patient management.
Purpose of the Study:
- To compare the incidence of second primary head and neck cancers in patients who continued smoking versus those who ceased smoking after an initial diagnosis.
Main Methods:
- Retrospective review of 91 patients with index head and neck tumors and subsequent second primary tumors (1985-2000).
- Patients were categorized based on smoking status (continued vs. ceased) after index tumor diagnosis.
- Tumors were classified as synchronous or metachronous.
Main Results:
- Of 91 patients with double head and neck tumors, 88 were tobacco users.
- Among 54 patients with metachronous second primaries, 51 were smokers.
- No significant difference in second tumor development was observed between patients who continued smoking and those who ceased.
Conclusions:
- Smoking cessation after index head and neck cancer diagnosis did not significantly alter the risk of developing a second primary tumor.
- Findings suggest persistent, cumulative cellular damage may play a critical role.
- Interventions targeting the reversal of genetic alterations could be more impactful than smoking cessation alone in preventing subsequent cancers.