Nasopharyngeal cancer is a common disease.

Clinical diagnosis of nasopharyngeal carcinoma requires the following examinations: 1. Physical examination: observe whether there is enlargement of cervical lymph nodes, nasal discharge, nasal obstruction, bleeding, headache, tinnitus, hearing loss and other manifestations;2. Imaging examination: CT, magnetic resonance and PET-CT examination are performed to diagnose whether there are morphological changes or tumor infiltration in nasopharynx;3. Pathological examination: take out abnormal hyperplasia tissues of nasopharynx for pathological examination to determine the type of nasopharyngeal carcinoma, such as squamous cell carcinoma, columnar cell carcinoma, adenocarcinoma, etc.