What is the reason for a hard lump on the temporal bone of a child?

Patient's question:

No

Doctor's answer:

The phenomenon of lymph nodes enlarging in size due to internal cell proliferation or tumor cell infiltration. A common clinical sign. Lymph node enlargement is very common and can occur in people of any age, presenting in various diseases, both benign and malignant. Therefore, it is crucial to pay attention to the causes of lymph node enlargement, seek medical attention promptly, and obtain a definitive diagnosis to avoid misdiagnosis or missed diagnosis.