Osteosarcoma
This is the most common type of bone cancer and often forms around the knee, upper arm, and pelvis. It is common among teens and young adults. This type of bone cancer involves osteoblast activity. Osteoblasts are responsible for bone formation and design.
Ewing’s Sarcoma
This can be found in patients as young as 5 up to 20 years old. This type of cancer can start in the soft tissue around the bones. It is most commonly found in the ribs, pelvis, leg, and upper arm.
Chondrosarcoma
This type of cancer affects older people, between ages 40 and 70. This particular cancer often starts in the cartilage cells and occurs commonly in the hip, pelvis, leg, arm, and shoulder.
Malignant Fibrous Histiocytoma
This can occur in the arms and legs but often starts in the soft tissue.
Fibrosarcoma Chordoma
This also starts in the soft tissue, but may also begin in the arms, legs, or jaw.
Chordoma
This is more commonly found occurring in the spine and base of the skull.
Signs and Symptoms
Learning about the early signs of bone cancer can help people determine whether they are at risk or not. Early signs of bone cancer include:
Pain
This is the most common early sign of bone cancer. This usually starts with a feeling of tenderness in the affected bone. The pain may be mistaken for arthritis, or simply growing pains in children and teens. The pain may not be constant in the beginning, but may worsen at night, or with physical activity.
Pay attention when the leg starts to hurt after walking or running. If the cancer grows, the pain will increase and will become more frequent. Pain around the area of the tumor may feel dull or achy, and it may feel worse with activity. Some individuals experience pain that makes it difficult for them to sleep.
Swelling
The area where the pain occurs may get inflamed, but may not be evident until weeks later. A lump or mass may grow, depending on the location of the tumor. When cancer occurs in the bones of the neck, this may cause a lump in the back of the throat. This may affect swallowing and cause breathing difficulties.
Fractures
Bone cancer can weaken the affected bone, though most of the time the bones will not break. Sudden severe pain in the bone might signal a fracture next to or through a bone tumor.
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