Throat ultrasound is performed to detect abnormalities inside the pharynx, aiding doctors in timely diagnosis and treatment, thereby preventing dangerous complications that could lead to nasopharyngeal cancer.

Nasopharyngeal cancer is more likely to occur in people with unhealthy lifestyle habits and family history. When there are symptoms of flu, runny nose that cannot be cured, the patient should go to the doctor to check the throat early for timely treatment.