What is a bone bump on the back of the head?

There are many reasons for a bone bulge in the back of the head. The most common one is the occipital eminence, which is the normal physiological structure of the human head. The occipital eminence is different for everyone. Some people are big and small, and the shape is different. It is related to inheritance and growth. If there is no uncomfortable symptom, don't worry too much. You can continue to observe at ordinary times. If you find changes in the bones in the back of the head, and show dizziness, headache, etc., it is recommended to go to the hospital for treatment and relevant examinations. There is a situation that needs special attention. If the posterior brain is hit hard and the bone protrusion of the posterior brain is found after trauma, accompanied by local swelling and pain of the posterior occipital region, it is necessary to go to the hospital emergency department as soon as possible. This is head trauma and occipital fracture, which requires emergency treatment.