• Headache
  • Recent onset of new type
  • Persistent
  • Worse on awakening
• Vomiting
  • Possibly accompanied by nausea
  • More severe in the morning
• Personality changes and behavior changes
• Emotional instability, rapid emotional changes
• Intellectual decline
  • Loss of memory
  • Impaired calculating abilities
  • Impaired judgment
• Seizures, new onset
• Reduced level of consciousness (decreased alertness)
• Neurologic changes
  • Vision changes (double vision, decreased vision)
  • Hearing loss
  • Decreased sensation of a body area
  • Weakness of a body area
  • Speech difficulties
  • Decreased coordination, clumsiness, falls
• Fever (sometimes)
• Weakness, lethargy
• General ill feeling (malaise)
• Positive Babinski's reflex
• Decerebrate posture
• Decorticate posture

• Bulging fontanelles
• Separated sutures
• Opisthotonos
• Increased head circumference
• No red reflex in the eye

• Tongue problems
• Swallowing difficulty
• Impaired sense of smell
• Obesity
• Uncontrollable movement
• Dysfunctional movement
• Absent menstruation
• Hiccups
• Hand tremor
• Facial paralysis
• Eye abnormalities
  • pupils different sizes
  • uncontrollable movements
  • eyelid drooping
• Confusion
• Breathing, absent temporarily
• Unusual or strange behavior

• CT scan of the head
• MRI of the head
• Angiography of the head
• EEG may reveal focal (localized) abnormalities.
• Examination of tissue removed from the tumor during surgery or CT scan-guided biopsy is used to confirm the exact type of tumor.
• Examination of the cerebral spinal fluid (CSF) may reveal cancerous cells.

This disease may also alter the results of a CPK isoenzymes test.