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What are different types of primary bone tumors?

Bone Cancer is the cancer that begins in the bone is called primary bone cancer.
– Primary bone cancer is relatively uncommon with secondary or metastatic cancer.
– This is cancer that occurs initially in another organ and then spreads to bone tissue.

What causes bone cancer?
– Bone cancer is caused by a problem with the cells that make bone.
– Bone tumors occur most commonly in children and adolescents.
– It is less common in older adults.

Types of primary bone tumors
– Osteosarcoma
– Ewing’s sarcoma,
– Chondrosarcoma,
– Spindle Cell Sarcoma
– Angiosarcoma
– Malignant fibrous histiocytoma,
– Fibrosarcoma,
– Chordoma

Osteosarcoma
It is also called osteogenic sarcoma. This is the commonest type of primary bone cancer. It’s most common in teenagers. It is also common in young adults and adults in their 60s. It is common between the ages of 10 and 25. This type of bone cancer develops in the new tissue of growing bones.

This cancer occurs in the areas:
– Knees
– Upper legs
– Upper arms

Chondrosarcoma
Chondrosarcoma is another type that develops in the cartilage. It is commonly diagnosed in people between the ages of 50 and 60. Chondrosarcoma is usually a slow-growing tumor.

This type of bone cancer occurs in areas:
– Pelvis
– Upper legs
– Upper arms (humerus)
– Ribs
– Shoulders

Ewing’s Sarcoma
Ewing’s sarcoma begins in the immature nerve tissue in the bone marrow. It is usually diagnosed in people between the ages of 10 and 20. Ewing’s sarcoma is named after the surgeon who first described it. This type of bone cancer is more likely to occur in young children than osteosarcoma. It is also possible for Ewing’s sarcoma to start in the soft tissues of the body. This is called extraosseous Ewing’s sarcoma (‘extra’ means outside, ‘osseous’ means bone), or soft tissue Ewing’s sarcoma.

This type of bone cancer occurs in areas:
– Pelvis
– Upper legs
– Ribs
– Arms

Spindle cell sarcoma
Spindle cell sarcoma is a rare type of bone cancer. It is similar to osteosarcoma. This type of bone cancer tends to occur in adults over the age of 40. It’s extremely rare in people under 20.

There are four types of spindle cell sarcoma:
– Malignant fibrous histiocytoma, which is most likely to affect a bone in the leg, especially around the knee joint or in the arm.
– Fibrosarcoma, which is most likely to affect the thigh bone (femur).
– Leiomyosarcoma, which usually occurs in the thigh bone (femur), shin bone (tibia) or upper arm bone (humerus).
– Undifferentiated sarcoma of the bone, which may arise from any bone but usually, affects the arm and leg (limb) bones or the pelvis.

Chordoma
Chordoma is an extremely rare cancer. It starts in the bones of the spine, either in the bottom of the spine (the sacrum) or in the neck. It is more common in people in their 40s and 50s.

Angiosarcoma
Angiosarcoma can occur at any age. It is very rare. It can affect any bone.They can develop in more than one bone at the same time. It can also occur in more than one place in a single bone.


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