Head and neck cancers account for about 5% of all the malignant diseases  and the majority of them are squamous cell carcinoma. In this heterogeneous group of pathologies the primary diagnosis is usually made by patient history, physical examination, and panendoscopy with directed biopsies. However imaging is crucial as it can help significantly clinicians in the (1) detection, (2) staging, (3) restaging, (4) therapy response assessment, and (5) monitoring of patients during follow-up.
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