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An enchondroma is a type of noncancerous bone tumor that begins in cartilage. Cartilage is the gristly connective tissue from which most bones develop. Cartilage plays an important role in the growth process. There are many different types of cartilage in the body. An enchondroma most often affects the cartilage that lines the inside of the bones. It often affects the tiny long bones of the hands and feet. It may also affect other bones such as the thighbone (femur), upper arm bone (humerus), or one of the two lower leg bones (tibia).
An enchondroma may happen as one or several tumors. The health conditions that involve multiple tumors include the following:
Enchondromas are the most common type of hand tumor. While it may affect a person at any age, it is most common between ages 10 and 20. It affects men and women equally.
The exact cause of enchondroma is not known. However, it is thought to happen due to either of the following:
With an enchondroma, you may have no symptoms at all. The following are the most common symptoms of an enchondroma. However, each person may experience symptoms differently. Symptoms may include:
The symptoms of enchondroma may look like other medical problems. Always talk with your healthcare provider for a diagnosis.
Diagnosis is sometimes made during a routine physical exam or if the tumor leads to a fracture in the hand.
In addition to a complete medical history and physical exam, tests may include:
Specific treatment for enchondroma will be decided by your healthcare provider based on:
Treatment may include:
If there is no sign of bone weakening or growth of the tumor, your healthcare provider may simply keep close watch on your condition. However, follow-up with repeat X-rays may be needed. Some types of enchondromas can develop into cancerous bone tumors later. Careful follow-up with your healthcare provider is often recommended.
An enchondroma is a type of benign bone tumor that originates from cartilage. It is not cancerous. It most often affects the cartilage that lines the inside of the bones.
Tips to help you get the most from a visit to your healthcare provider:
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