Diagnosis at Mayo Clinic

By Mayo Clinic Staff


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Tests and procedures used to diagnose glioma include:

  • Comprehensive examination. Your doctor will ask you questions about your medical history and your signs and symptoms. He or she will conduct a physical exam that includes your vision, hearing, balance, coordination and reflexes. Your results give your doctor clues about the location and extent of your brain tumor.
  • Imaging tests. Your doctor may recommend specialized imaging tests to locate a brain or spinal cord tumor and better understand its effects on the surrounding tissue.

    Magnetic resonance imaging (MRI) is one of the most common imaging tests used for brain and spinal cord. At Mayo Clinic, doctors use advanced MRI techniques, such as perfusion, functional mapping, intraoperative and 3-tesla (3-T) MRI.

    Other imaging techniques to diagnose and understand the nature of your glioma include CT scan, magnetic resonance spectroscopy, positron emission tomography (PET) and single-photo emission computerized tomography (SPECT).

    A brain X-ray that uses a special dye (angiogram) can help doctors view blood vessels in and around a glioma.

  • Biopsy. Biopsy involves removing a piece of the tumor for testing in a laboratory. Biopsy helps your doctor understand what types of cells are involved in your cancer.
July 19, 2014

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