Bilateral protrusions of the skull?
Hello doctor, I have a protrusion of the skull above my right ear, and there is a symmetrical one on the left side, although the left side is more prominent.
There is also a bump in the center of the back of my head that feels hard, likely bone.
It doesn't hurt or itch, and I noticed it since elementary or middle school.
I would like to ask if this is a normal anatomical structure?
Huang, 20~29 year old female. Ask Date: 2021/09/06
Dr. Chen Bochen reply Orthopedics
Hello, that's a normal structure.
Everyone has some protrusions in that area, but sometimes they can be more pronounced.
If there is a rapid increase in size, then medical attention is necessary.
Reply Date: 2021/09/06
More Info
It’s not uncommon for individuals to notice asymmetrical bumps or protrusions on their skulls, and many people may wonder whether these are normal anatomical features or something that requires medical attention. Based on your description, it sounds like you have observed symmetrical bumps on your skull, particularly one that is more pronounced on the left side and another at the back of your head.
Firstly, it’s important to understand that the human skull is made up of several bones that are fused together. Variations in the shape and contour of these bones can occur naturally and are often benign. The bumps you are feeling could be normal anatomical variations, such as the occipital protuberance at the back of the skull, which is a common feature. This area can be more pronounced in some individuals than others, and it serves as an attachment point for muscles and ligaments.
If the bumps are hard, non-painful, and have been present since childhood, they are likely to be normal anatomical structures. However, it’s essential to consider a few factors:
1. Symmetry: The fact that the bumps are symmetrical is a good sign. Asymmetrical growths or sudden changes in the shape of the skull can sometimes indicate underlying conditions that may require further investigation.
2. Pain or Discomfort: Since you mentioned that the bumps do not cause pain or discomfort, this further suggests that they are likely benign. Painful or tender areas, especially if they develop suddenly, should be evaluated by a healthcare professional.
3. Changes Over Time: If you notice any changes in the size, shape, or texture of the bumps, or if you experience any new symptoms (such as headaches, dizziness, or neurological changes), it would be prudent to seek medical advice.
4. Family History: If other family members have similar bumps, this could indicate a genetic predisposition to certain benign anatomical features.
5. Medical Evaluation: If you are still concerned about the bumps, or if they cause you anxiety, it may be beneficial to consult with a healthcare provider. A physical examination can provide reassurance, and if necessary, imaging studies (like X-rays or CT scans) can be performed to rule out any abnormalities.
In conclusion, while it is likely that the symmetrical bumps you describe are normal anatomical features, it is always best to consult with a healthcare professional if you have concerns. They can provide a thorough evaluation and peace of mind. Remember, your health and comfort are paramount, and seeking clarification from a medical expert is a proactive step in maintaining your well-being.
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