Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Glioblastoma multiforme
Medically reviewed by Min Clinic Staff | Updated: January 2026
Glioblastoma multiforme: A highly malignant, rapidly growing type of brain tumor that arises from glial cells in the brain. Early symptoms may include sleepiness, headache, and vomiting. Also called a grade IV astrocytoma. Treatment can involve surgery and radiation treatment.