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A soft tissue sarcoma is a growth of abnormal cells in the body's soft tissues. These tissues include the muscles, lymph and blood vessels, nerves, and fat. It can also include cartilage and other connective tissue. When cancer cells are found in the tissue, the tumour is called malignant.
Sarcoma is another name for a malignant soft tissue tumour. Sarcomas can spread to other parts of the body, like the lungs.
Some common types of soft tissue sarcomas in children include:
This is the most common type of soft tissue tumour in children. It forms in the muscle, usually in the arms, legs, or torso.
This is often found near joints, especially near the knee and ankle.
These tumours are made up of nerve cells.
This is often found in the torso and extremities. It's more common in very young children.
Other types of soft tissue tumours may appear on the skin, nerves, belly, and limbs.
Your child may feel a swelling or lump on his or her body. Usually there isn't any pain.
The doctor will ask about your child's symptoms and past health and will examine your child. If the doctor can feel a lump or mass in the soft tissue, or if your child has other symptoms, your child will get some tests. The tests can help find out if it's cancer. They can also help the doctor figure out the best treatment for the tumour.
The doctor may also find a tumour when taking X-rays or images for another problem.
The doctor may talk to you about what "stage" your child's cancer is. The stage refers to how large the tumour is and how far it has spread. It also includes the tumour grade. The grade describes what the cancer cells look like and how likely they are to grow and spread.
These can help the doctor find out what type of treatment your child may need. And they may help to find a clinical trial that has treatments for your child's type of cancer.
Treatment for a soft tissue sarcoma is based on the stage, type, and location of the cancer and other things, such as your child's age. The main treatments include:
Your child may need surgery to remove cancer from the tissue.
This uses high-dose X-rays to destroy cancer cells and shrink tumours. Radiation may be used before, during, or after surgery.
In some cases, other treatments may be used, such as:
These medicines kill fast-growing cells, including cancer cells and some normal cells.
These medicines attack only cancer cells, not normal cells. They help keep cancer from growing or spreading.
The doctor will talk with you about the options and then make a treatment plan for your child.
Follow-up care is a key part of your child's treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse call line if your child is having problems. It's also a good idea to know your child's test results and keep a list of the medicines your child takes.
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Adaptation Date: 10/28/2020
Adapted By: Alberta Health Services
Adaptation Reviewed By: Alberta Health Services
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