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Stages of Medulloblastoma

In children, medulloblastoma as usually classified as either standard risk or high risk, depending on the child’s age, how much of the tumor remains following surgery and whether the tumor has spread.

In standard-risk tumors, the tumor is almost completely removed in surgery, and less than 1.5 cubic centimeters remains. In addition, the tumor is in the back part of the brain and has not spread. In high-risk tumors, the tumor has either spread to other parts of the brain or spine, or more than 1.5 cubic centimeters remain. In addition, there are also recurrent tumors, or tumors that come back after treatment. 

Locations for Medulloblastoma