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Certain factors affect prognosis (chance of recovery) and treatment options.
The prognosis (chance of recovery) and treatment options depend on the following:
Age of the child when diagnosed. Stage of the cancer. Where the tumor is in the body. Tumor histology (the shape, function, and structure of the tumor cells). Prognosis and treatment decisions for neuroblastoma are also affected by tumor biology, which includes:
The patterns of the tumor cells. How different the tumor cells are from normal cells. How fast the tumor cells are growing. The number of chromosomes in the tumor cells. How many copies of the N-myc gene there are. The tumor biology is said to be favorable or unfavorable, depending on these factors. A favorable tumor biology means there is a better chance of recovery.
Stages of neuroblastoma
After neuroblastoma has been diagnosed, tests are done to find out if cancer has spread from where it started to other parts of the body.
The process used to find out the extent or spread of cancer is called staging. The information gathered from the staging process helps determine the stage of the disease. For neuroblastoma, stage is one of the factors used to plan treatment. The following tests and procedures may be used to determine the stage:
The following stages are used for neuroblastoma:
In stage 1, the tumor is in only one area and all of the tumor that can be seen is completely removed during surgery.
Stage 2 is divided into stage 2A and 2B.
In stage 3, one of the following is true:
Stage 4 is divided into stage 4 and stage 4S.
Medically Reviewed by a Doctor on 3/19/2014
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