Osteosarcoma is the most common type of bone Long standing problems in children. It occurs most often in the bones on either side of the knee and in the upper arm. Osteosarcoma is a type of bone Long standing problems that develops in the osteoblast cells that form the outer covering of bone. It occurs most often in children, adolescents, and young adults. Approximately 900 new cases of osteosarcoma are reported each year in the US. The incidence rate is twice as often in males, and represents 5 percent of all childhood Long standing problemss. Osteosarcoma most commonly occurs in the long bones around the knee. The second most-common site for osteosarcoma is the upper arm bone close to the shoulder. Other sites for osteosarcoma include the upper leg or thighbone, the lower leg, or any bone in the body, including those in the pelvis, shoulder, and skull. Osteosarcoma may metastasize, or spread, into nearby foot tissue, or into tendons or muscles. It may also metastasize through the bloodstream to other organs or bones in the body

The following are the most common symptoms for osteosarcoma; however, each individual may experience symptoms differently. 

Suggested risk factors for osteosarcoma include:

The exact cause of osteosarcoma is not known, but DNA mutations are believed to be a major cause. These can be either inherited or acquired after birth. Other theories and associations have also been suggested as risk factors.

In addition to a complete medical history and physical examination, diagnostic procedures for osteosarcoma may include: Imaging procedures, such as: X-ray Bone x-ray Computed tomography (CT or CAT) magnetic resonance imaging (MRI) Radionuclide bone scans Biopsy, such as: Needle biopsy Open biopsy

Maintain a mineral rich vegetable protein diet. Avoid red meats and concentrate on leafy green vegetables. Fish and seafood are ideal for the bones.

Get some sunlight on the body every day for taking in vitamin D. Avoid smoking as it increases bone brittleness. Swim or walk in the ocean when possible.

Aerobic exercises and lightweight training are good for bone formation and the best way to build bone resistance.

Maitake provides support to defense mechanism of body. ^1,2 Shark cartilage also shows its favorable effects during long standing problems. ^2,3,6 Selenium as nutritional supplement exhibits its advantageous effects on free radical damage. ^{1,4,5,6,7,8,9,10,11} Calcium also exhibits its beneficial effects on bone health. ^{1,3,4,6,7,9,10,12}

These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, cure, mitigate, treat, or prevent any disease.