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Screening and Tests for Medulloblastoma

After a physical exam, screening for medulloblastoma may include:

  • Biopsy: This involves the removal of a small amount of tissue for microscopic examination; it is the only way to definitely diagnose cancer.
  • Surgical tumor removal: A neurosurgeon will remove as much of the tumor as possible during surgery, after which the sample removed is examined by a pathologist.
  • CT and MRI scans: These imaging scans can generate detailed images of the brain, and may help detect tumors.
  • Spinal tap: In this procedure, a doctor uses a needle to take a sample of cerebrospinal fluid to look for cancer cells, blood or tumor markers. For medulloblastoma patients, this test is usually conducted after surgery is performed to remove as much of the tumor as possible. 

Locations for Medulloblastoma