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Supraglottic tumour categories: 1987 and 1997 International Union Against Cancer classification
S Pelucchi1, F Carinci, A Farina
1ENT Clinic, University of Ferrara, Italy.
Purpose:
To verify the correlation to survival of 1987 and 1997 Union Internationale Contre le Cancer (UICC; International Union Against Cancer) supraglottic tumour categories.
Materials And Methods:
Two hundred and sixty patients seen at the ENT Clinic at the University of Ferrara from 1970 to 1990 had a complete follow-up and met the criteria of enrolment in this study. Data were analyzed by means of survival analyses (Kaplan-Meier and Cox algorithms).
Results:
Multivariate analysis (adjusted for number and patient's age) of 1997 UICC supraglottic tumour categories (T1 vs. T4) showed a significant correlation with the survival rate, whereas 1987 UICC categories did not reach any significant statistical value.
Conclusion:
The 1997 UICC tumour categories represent an improvement in supraglottic cancer classification.
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