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Evaluation of the newly updated TNM classification of head and neck carcinoma with data from 3247 patients

✍ Scribed by Heinrich Iro; Frank Waldfahrer


Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
97 KB
Volume
83
Category
Article
ISSN
0008-543X

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✦ Synopsis


BACKGROUND.

The fifth edition of the TNM classification contains a number of changes concerning head and neck tumors. The division of Stage IV tumors into three subcategories marks a significant expansion of the stage grouping procedure.

METHODS.

In a retrospective study, the clinical courses of 3247 patients with carcinoma of the oral cavity, the oro-and hypopharynx, the larynx, the salivary glands, and the maxillary sinus were comparatively evaluated according to the fourth and fifth editions of the TNM classification agreed upon by the International Union Against Cancer and the American Joint Committee on Cancer. The particular aim of this study was to test the prognostic relevance of the subdivision of Stage IV, especially for mucosal carcinoma.

RESULTS.

In classifying the primary tumor, the most extensive changes were noted for supraglottic and salivary gland tumors. On the basis of the fourth edition of the TNM classification, the following recurrence free 5-year survival rates for 3033


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The contents of this article are solely the responsibility of the authors and do not necessarily represent the official views of the National Cancer Institute.