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Chondrosarcoma is the second most common type of primary bone cancer in adults. It mainly affects the cartilage cells of the femur, arm, pelvis, knee, and spine.

Detailed information on diagnostic procedures for bone disorders, including bone densitometry, radionuclide bone scan, and biopsy.

An enchondroma is a type of noncancerous bone tumor that begins in cartilage. 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 femur (thighbone), humerus (upper arm bone), or tibia (one of the two lower leg bones).

Fibrous dysplasia is a chronic disorder in which an abnormal development of fibrous tissue causes bones to expand. Any bone can be affected. More than one bone can be affected at any one time, and, when multiple bones are affected, it is not unusual for them to all be on one side of the body. However, fibrous dysplasia does not spread from one bone to another.

Giant cell tumor of bone is a rare, fast-growing noncancer tumor. It often grows near a joint at the end of a bone. Read on to learn about symptoms, diagnosis, and treatment.

Primary hyperparathyroidism is when one or more of the parathyroid glands makes too much parathyroid hormone. This can lead to bone tissue loss. Here's what you need to know.

Detailed information on the anatomy of human bones and the most common bone disorders

Talking with healthcare providers about your cancer can be overwhelming. Read on for a helpful list of questions that you can bring to your appointments.

Osteochondroma is an overgrowth of cartilage and bone at the end of the bone near the growth plate. Most often, it affects the long bones in the leg, the pelvis, or the shoulder blade.