Bone sarcoma

Bone sarcoma, also known as osteosarcoma, is a type of cancer that originates in the bone. It is the most common type of malignant bone tumor and typically affects the long bones, such as those in the legs or arms, though it can occur in any bone. The exact cause of bone sarcoma is not fully understood, but it is believed to involve a combination of genetic and environmental factors.

Symptoms

The symptoms of bone sarcoma can vary depending on the size and location of the tumor. Common symptoms include:

• Pain in the affected bone, which may worsen at night or with activity
• Swelling and tenderness near the affected area
• A palpable lump or mass
• Fractures with minimal trauma due to weakening of the bone
• Fatigue
• Unintended weight loss

Diagnosis

Diagnosis of bone sarcoma involves a combination of medical history, physical examination, and diagnostic tests, including:

• X-rays to identify any abnormalities in the bone
• Magnetic resonance imaging (MRI) or computed tomography (CT) scan to provide detailed images of the bone and surrounding tissues
• Biopsy to obtain a tissue sample for microscopic examination and confirm the diagnosis

Treatment

Treatment for bone sarcoma depends on the stage and location of the cancer, as well as the patient's overall health. Common treatment options include:

• Surgery to remove the tumor and some of the surrounding healthy tissue to ensure all cancer cells are eliminated. In some cases, limb-sparing surgery can be performed to avoid amputation.
• Chemotherapy to kill cancer cells, often used before surgery to shrink the tumor or after surgery to eliminate any remaining cancer cells.
• Radiation therapy to destroy cancer cells, typically used when surgery is not an option or to treat tumors in difficult-to-reach locations.

Prognosis

The prognosis for bone sarcoma varies depending on several factors, including the size and location of the tumor, whether the cancer has spread (metastasized), and the patient's age and overall health. Early detection and treatment significantly improve the chances of a favorable outcome.

Prevention

There are no known ways to prevent bone sarcoma. However, maintaining a healthy lifestyle, including regular exercise and a balanced diet, may help reduce the risk of developing various types of cancer.

See also

• Cancer
• Sarcoma
• Chemotherapy
• Radiation therapy