Glioblastoma multiforme CT

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

CT

Head CT scans are often used to diagnose brain tumor. A [[CT scan will usually show a nonhomogeneous mass with a hypointense center and a variable ring of enhancement surrounded by edema. Part of a lateral ventricle is usually deformed, and both lateral and third ventricles may be displaced.It can confirm the location of the cancer and show the surroundings nearby, as well as lymph nodes and distant organs where the cancer might have spread. These are helpful for determining the stage of the cancer and in determining whether surgery is a good treatment option. CT scans can also be used to guide biopsy and a biopsy sample is usually removed and looked at under a microscope.