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Osteosarcoma
Osteogenic sarcoma; Bone tumor - osteosarcoma
Osteosarcoma is a very rare type of cancerous bone tumor that usually develops in teenagers. It often occurs when a teen is growing rapidly.
Bone tumor
A bone tumor is an abnormal growth of cells within a bone. A bone tumor may be cancerous (malignant) or noncancerous (benign).
Causes
Osteosarcoma is the most common bone cancer in children. Average age at diagnosis is 15. Boys and girls are just as likely to develop this tumor until the late teens, when it occurs more often in boys. Osteosarcoma is also common in people over age 60.
Tumor
A tumor is an abnormal growth of body tissue. Tumors can be cancerous (malignant) or noncancerous (benign).
The cause is not known. In some cases, osteosarcoma runs in families. At least one gene has been linked to an increased risk. This gene is also associated with familial retinoblastoma . This is a cancer of the eye that occurs in children.
Retinoblastoma
Retinoblastoma is a rare, cancerous tumor of a part of the eye called the retina.
Osteosarcoma tends to occur in the bones of the:
- Shin (near the knee)
- Thigh (near the knee)
- Upper arm (near the shoulder)
Osteosarcoma occurs most commonly in large bones in the area of bone with the fastest growth rate. However, it can occur in any bone.
Symptoms
The first symptom is usually bone pain near a joint. This symptom may be overlooked because of other more common causes of joint pain.
Other symptoms may include any of the following:
- Bone fracture (may occur after a routine movement)
- Limitation of motion
- Limping (if the tumor is in the leg)
- Pain when lifting (if the tumor is in the arm)
- Tenderness, swelling, or redness at the site of the tumor
Exams and Tests
The health care provider will perform a physical exam and ask about the medical history and symptoms.
Tests that may be done include:
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Biopsy
(at time of surgery for diagnosis)
Biopsy
A biopsy is the removal of a small piece of tissue for laboratory examination.
Read Article Now Book Mark Article - Blood tests
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Bone scan
to see if the cancer has spread to other bones
Bone scan
A bone scan is an imaging test used to diagnose bone diseases and find out how severe they are.
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CT scan
of the chest to see if the cancer has spread to the lungs
CT scan
A computed tomography (CT) scan is an imaging method that uses x-rays to create pictures of cross-sections of the body. Related tests include:Abdomin...
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MRI scan
MRI scan
A magnetic resonance imaging (MRI) scan is an imaging test that uses powerful magnets and radio waves to create pictures of the body. It does not us...
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PET scan
PET scan
A positron emission tomography scan is a type of imaging test. It uses a radioactive substance called a tracer to look for disease in the body. A po...
ImageRead Article Now Book Mark Article - X-ray
Treatment
Treatment usually starts after a biopsy of the tumor is done.
Before surgery to remove the tumor, chemotherapy is usually given. This can shrink the tumor and make surgery easier. It may also kill any cancer cells that have spread to other parts of the body.
Chemotherapy
The term chemotherapy is used to describe cancer-killing drugs. Chemotherapy may be used to:Cure the cancerShrink the cancerPrevent the cancer from ...
Surgery is used after chemotherapy to remove any remaining tumor. In most cases, surgery can remove the tumor while saving the affected limb. This is called limb-sparing surgery. In rare cases, more involved surgery (amputation) is necessary.
Support Groups
You can ease the stress of illness by joining a cancer support group . Sharing with others who have common experiences and problems can help you and your family not feel alone.
Cancer support group
The following organizations are good resources for information on cancer:American Cancer Society -- www. cancer. orgCancerCare -- www. cancercare. or...
Outlook (Prognosis)
If the tumor has not spread to the lungs (pulmonary metastasis ), long-term survival rates are better. If the cancer has spread to other parts of the body, the outlook is worse. However, there is still a chance of cure with effective treatment.
Metastasis
Metastasis is the movement or spreading of cancer cells from one organ or tissue to another. Cancer cells usually spread through the blood or the ly...
Possible Complications
Complications may include:
- Limb removal
- Spread of cancer to the lungs
- Side effects of chemotherapy
When to Contact a Medical Professional
Call your provider if you or your child has persistent bone pain, tenderness, or swelling.
References
Anderson ME, Randall RL, Springfield DS, Gebhardt MC. Sarcomas of bone. In: Niederhuber JE, Armitage JO, Doroshow JH, Kastan MB, Tepper JE, eds. Abeloff's Clinical Oncology . 5th ed. Philadelphia, PA: Elsevier Saunders; 2014:chap 92.
National Cancer Institute. Osteosarcoma and malignant fibrous histiocytoma of bone treatment (PDQ) - health professional version. Cancer.gov Web site. Updated December 2, 2016. www.cancer.gov/cancertopics/pdq/treatment/osteosarcoma/HealthProfessional . Accessed December 21, 2016.
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X-ray - illustration
X-rays are a form of ionizing radiation that can penetrate the body to form an image on film. Structures that are dense (such as bone) will appear white, air will be black, and other structures will be shades of gray depending on density. X-rays can provide information about obstructions, tumors, and other diseases, especially when coupled with the use of barium and air contrast within the bowel.
X-ray
illustration
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Osteogenic sarcoma - X-ray - illustration
This x-ray shows a malignant bone tumor (osteogenic sarcoma) of the knee. This type of tumor is usually seen in adolescents (around 15 years old). This tumor extends from the bone into the surrounding tissue.
Osteogenic sarcoma - X-ray
illustration
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Ewings sarcoma - X-ray - illustration
This x-ray shows a malignant bone tumor (Ewing sarcoma) of the upper arm bone (humerus). This type of tumor usually occurs during childhood and adolescence.
Ewings sarcoma - X-ray
illustration
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Bone tumor - illustration
An abnormal growth of cells within the bone that may be benign or malignant (cancerous).
Bone tumor
illustration
-
X-ray - illustration
X-rays are a form of ionizing radiation that can penetrate the body to form an image on film. Structures that are dense (such as bone) will appear white, air will be black, and other structures will be shades of gray depending on density. X-rays can provide information about obstructions, tumors, and other diseases, especially when coupled with the use of barium and air contrast within the bowel.
X-ray
illustration
-
Osteogenic sarcoma - X-ray - illustration
This x-ray shows a malignant bone tumor (osteogenic sarcoma) of the knee. This type of tumor is usually seen in adolescents (around 15 years old). This tumor extends from the bone into the surrounding tissue.
Osteogenic sarcoma - X-ray
illustration
-
Ewings sarcoma - X-ray - illustration
This x-ray shows a malignant bone tumor (Ewing sarcoma) of the upper arm bone (humerus). This type of tumor usually occurs during childhood and adolescence.
Ewings sarcoma - X-ray
illustration
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Bone tumor - illustration
An abnormal growth of cells within the bone that may be benign or malignant (cancerous).
Bone tumor
illustration
Review Date: 11/10/2016
Reviewed By: Todd Gersten, MD, Hematology/Oncology, Florida Cancer Specialists & Research Institute, Wellington, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
