A brain tumor is a cancerous or benign unusual growth of cells in the brain. Any type of brain tumor can create significant behavioral and physical changes and some can be fatal. Brain tumor surgery can be very effective, but carries a risk of several complications.
Brain Herniation
Brain herniation can result from surgery and is often fatal, according to MedlinePlus. This is when the brain tissue, blood vessels, and fluid are moved from its usual position within the head.
Massive Stroke
A massive stroke, which is also often fatal, can result from brain tumor surgery, according to MedlinePlus.
Brain Death
Death of the brain, with or without stroke or herniation, can occur as a result of surgery, according to MedlinePlus. This leads to a loss of physical functions without life support.
Loss of Functions
A brain tumor surgery can adversely impact the regions of the brain that are responsible for speech, movement, thought, and breathing and cause loss or reduction of these functions, according to MedlinePlus.
Allergic Reaction
Allergic reactions to anesthesia or use of chemotherapy or radiation are also possible when a patient undergoes brain tumor surgery, according to MedlinePlus.
Return of Tumor
Even if the tumor is successfully removed without adverse impact to the brain, the growth can return at a later date, according to MedlinePlus.
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