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Pros and Cons of the New Edition of TNM Classification of Head and Neck Squamous Cell Carcinoma

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The TNM classification is a worldwide standard staging system used to define the extent of cancer and is a major prognostic factor in predicting the outcome of patients. The TNM… Click to show full abstract

The TNM classification is a worldwide standard staging system used to define the extent of cancer and is a major prognostic factor in predicting the outcome of patients. The TNM Classification of Malignant Tumours, 8th edition, has been used since January 1, 2018. In the area of head and neck cancer major modifications were produced: important updated T and N modification for oral cavity and nasopharyngeal cancer, the introduction of clinical and pathological stages for neck disease, and a new HPV-16-positive HNSCC classification. While until a few years ago the TNM staging system classified prognostic risk groups based on tumour size, the 8th edition responds to the need to categorize the prognosis of patients with similarly sized tumours but with very different clinical and biological behaviour. This review details TNM changes and the clinical need for these modifications, valuating possible limits in daily applicability.

Keywords: classification; tnm classification; edition; pros cons; head neck

Journal Title: Oncology
Year Published: 2018

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