glioblastoma
Noun: A highly aggressive and malignant type of brain tumor that originates from glial cells (specifically astrocytes). It is characterized by rapid growth and is the most common and deadly primary malignant brain tumor in adults.
The term "glioblastoma" is used in medical and scientific contexts to describe a specific, severe diagnosis. It is often modified by terms indicating its grade or location. * The patient was diagnosed with glioblastoma after experiencing severe headaches. * Glioblastoma multiforme (GBM) is the most aggressive form. * Research is ongoing to find more effective treatments for glioblastoma.
- Glioblastoma multiforme (GBM): This is the full histological name, emphasizing the tumor's variable appearance under a microscope ("multiforme" meaning "many forms"). In modern classification, "glioblastoma" and "GBM" are often used synonymously.
- The adjective form glioblastomatous is used in detailed pathological descriptions.
- The biopsy confirmed glioblastomatous tissue.
- Glioblast (noun): An immature glial cell; the putative cell of origin for this tumor.
- Astrocytoma (noun): A broader category of brain tumors arising from astrocytes. Glioblastoma is classified as a Grade IV astrocytoma.
- Grade IV astrocytoma (clinical synonym)
- GBM (common abbreviation)
"Glioblastoma" has a single, specific medical meaning. There are no common idiomatic or figurative uses due to the severity of the condition it denotes.
- a fast-growing malignant brain tumor composed of spongioblasts; nearly always fatal