Diagnosing Glioblastoma
Glioblastoma, also known as glioblastoma multiforme, is a highly aggressive type of brain cancer. It is the most common form of brain tumor, accounting for about half of all brain tumors.
The specialists involved in diagnosing glioblastoma may include neurologists, neurosurgeons, oncologists, and radiologists. These healthcare professionals work together to evaluate symptoms, interpret test results, and develop an appropriate treatment plan. To diagnose glioblastoma, doctors use a combination of examinations, screening tests, and procedures. These include:
- Physical exam: During a physical exam, healthcare providers look for physical signs of a medical problem such as pain, swelling, or the presence of masses within the body.
- Lab tests: Specific lab tests like blood or urine tests may be recommended to gather more information about a person's overall health status and check for abnormal findings that may indicate the cause of symptoms.
- Neurological exam: During this exam, the doctor will ask about the person's symptoms, such as issues with balance, strength, and muscle coordination. They may also inquire about symptoms related to the senses, like hearing or vision problems. This exam helps the doctor assess the functioning of the central nervous system.
- Imaging tests: Doctors may use imaging tests such as MRI scans to determine the size and location of the tumor. These scans provide detailed images of the brain and help in confirming the presence of glioblastoma.
- Biopsy: In some cases, doctors may perform a biopsy before surgery to remove and test a small piece of the tumor. Biopsies may also be taken during surgery. Analysis of the tissue sample helps determine how aggressive the cancer is and provides information about the specific types of cells affected by glioblastoma.
- Specialized Testing:
- Molecular testing: Specialized tests can provide details on specific mutations in the cancer cells. These mutations can affect a person's treatment options and outlook.
- Genetic testing: Genetic tests analyze samples of blood or other tissues to identify changes in genes, chromosomes, or proteins. These tests can help confirm or rule out suspected genetic diseases and provide insights into a person's risk factors.
These examinations, tests, and procedures help identify factors or indicators related to the type (such as specific genetic mutations), severity (such as aggressiveness), and stage (such as how far it has spread) of glioblastoma.
The healthcare provider may perform other examinations, test or procedures based on initial findings or individual factors. The information gathered through these diagnostic methods helps doctors develop an appropriate treatment plan tailored to each individual's specific situation.