Chest Bone Protrusions: Causes and Concerns - Orthopedics

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I have two bony protrusions on my chest?


Hello Doctor: It seems that the bone near my right breast, close to the nipple, has a protrusion that appears to be bent.
The bone below my left chest, near my abdomen, is also noticeably raised.
I weigh only 40 kg, so these changes are easy to observe.
I have always slept on my left side since childhood, and I recently switched to sleeping on my right side.
Could this change in sleeping position be the cause? Or is it related to my slight kyphosis, which I have had for a long time? Will the protrusion of the bone in my chest affect my body? Currently, I do not experience any pain or discomfort, and there have been no further changes, but I am concerned that it might continue to change.

Niming, 10~19 year old female. Ask Date: 2015/06/26

Dr. Wang Shouji reply Orthopedics


Hello: Malignant bone lesions are rare in the sternum and ribs, but spinal misalignment may lead to skeletal deformities in the chest.
It is recommended to get an X-ray for clarification; if there are no significant abnormalities, there should be no major issues.
Thank you!

Reply Date: 2015/06/26

More Info


Understanding chest bone protrusions can be a source of concern for many individuals, especially when they notice changes in their body that seem unusual. In your case, you have observed that there are protrusions in the bones near your chest, particularly on the right side near the nipple and a noticeable bump on the left side near your abdomen. You also mentioned that you have a history of sleeping on your left side and that you have a slight hunchback (kyphosis).

First, it's important to recognize that bone protrusions can occur for various reasons, including anatomical variations, postural habits, and even previous injuries. In your situation, the fact that you have been sleeping predominantly on one side could contribute to asymmetrical development or prominence of certain bones. When you sleep on one side consistently, it can lead to muscle imbalances and changes in the alignment of your spine and ribcage, which may cause one side to appear more pronounced than the other.

Kyphosis, or an exaggerated curvature of the thoracic spine, can also play a role in how your chest appears. This condition can lead to changes in the position of the ribs and the sternum, potentially causing bones to protrude more prominently. While kyphosis is often not painful, it can lead to postural issues and discomfort over time if not addressed.

Regarding your concerns about the protrusions affecting your health, it is reassuring that you currently do not experience pain or discomfort. However, it is essential to monitor any changes in size, shape, or associated symptoms. If the protrusions become painful, or if you notice any significant changes, it would be wise to consult a healthcare professional for a thorough evaluation. They may recommend imaging studies, such as X-rays or MRI, to assess the underlying structures and rule out any potential issues.

In terms of treatment or management, if the protrusions are not causing any pain or functional limitations, they may not require any intervention. However, if you are concerned about your posture or the appearance of your chest, physical therapy could be beneficial. A physical therapist can provide exercises to strengthen the muscles around your spine, improve your posture, and potentially alleviate any imbalances caused by your sleeping habits.

Additionally, maintaining a healthy weight and engaging in regular physical activity can help support your overall musculoskeletal health. If you have a tendency to hunch your back, incorporating exercises that promote spinal extension and strengthen the upper back muscles can be particularly helpful.

In summary, while the protrusions you are noticing may be related to your sleeping habits and posture, it is essential to keep an eye on any changes and consult a healthcare professional if you have concerns. They can provide personalized advice and treatment options based on a comprehensive assessment of your condition. Remember, maintaining good posture and engaging in regular physical activity can significantly contribute to your overall health and well-being.

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