What Causes a Hard Lump Under the Sternum? Symptoms, Diagnosis & Treatment

Learn why a hard lump under your sternum appears, from benign causes like costochondritis to serious conditions. When to see a doctor for diagnosis.

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A hard lump under your sternum could have several causes, some benign and others requiring medical attention. Common benign causes include costochondritis or an epidermoid cyst. However, it could also indicate something more serious, such as a hernia or even a tumor. Given the potential seriousness, it's crucial to consult a healthcare professional for an accurate diagnosis. They may recommend imaging tests or a biopsy to determine the cause and advise on the best treatment path.

FAQs & Answers

  1. What are the common causes of a hard lump under the sternum? Common causes include benign conditions like costochondritis or epidermoid cysts, and more serious conditions like hernias or tumors.
  2. When should I see a doctor for a lump under my sternum? You should consult a healthcare professional if the lump is persistent, painful, growing, or accompanied by other symptoms to get an accurate diagnosis.
  3. How is a lump under the sternum diagnosed? Diagnosis may involve physical examination, imaging tests such as X-rays or CT scans, and possibly a biopsy to identify the cause of the lump.
  4. Can costochondritis cause a lump under the sternum? Yes, costochondritis, which is inflammation of the cartilage connecting the ribs to the sternum, can cause a tender lump or swelling in that area.