Sternum Pain: Causes and Concerns for Your Health - Pulmonology

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Sternum pain can be concerning, especially when it arises unexpectedly or is associated with pressing on the area. The sternum, or breastbone, is a flat bone located in the center of the chest, connecting to the ribs via cartilage. Pain in this area can stem from various causes, and understanding these can help alleviate concerns.

One common cause of sternum pain is musculoskeletal issues. This includes conditions such as costochondritis, which is inflammation of the cartilage connecting the ribs to the sternum. This condition can cause localized pain that may feel like a bruise when pressure is applied. It often arises from repetitive movements, trauma, or even prolonged periods of poor posture. If you've been pressing on your sternum frequently, it might have led to irritation or inflammation in the surrounding tissues.

Another potential cause could be muscle strain. The muscles around the chest can become strained due to physical activity, heavy lifting, or even coughing. This strain can lead to discomfort that may be felt when pressing on the sternum or surrounding areas.

While you mentioned concerns about blood cancer (leukemia) and its association with sternum pain, it’s important to note that isolated sternum pain is not typically a direct indicator of such conditions. Blood cancers often present with a range of symptoms, including fatigue, unexplained bruising, frequent infections, and significant weight loss. Since you recently had blood work done and your values were normal, this is a reassuring sign that your blood counts are within a healthy range. However, if you continue to experience pain or if it worsens, it would be prudent to follow up with your healthcare provider for further evaluation.

Other serious conditions, though less common, can also cause sternum pain. These include heart-related issues, such as angina or myocardial infarction (heart attack), especially if accompanied by other symptoms like shortness of breath, sweating, or radiating pain to the arms or jaw. However, given your normal blood work and the isolated nature of your pain, these are less likely.

In summary, the pain you are experiencing at the junction of the sternum and ribs is likely due to musculoskeletal factors such as costochondritis or muscle strain, especially if it correlates with recent physical activity or pressure applied to the area. While concerns about serious conditions like blood cancer are understandable, your recent normal blood tests provide reassurance. If the pain persists or is accompanied by other concerning symptoms, it is advisable to seek further medical evaluation to rule out any serious underlying conditions. In the meantime, consider rest, applying ice to the area, and avoiding activities that exacerbate the pain.