Ads
related to: malignant gliomas in adults
Search results
Results from the WOW.Com Content Network
Gliomas are named according to the specific type of cell with which they share histological features, but not necessarily from which they originate. The main types of glioma are: [53] Ependymomas: ependymal cells; Astrocytomas: astrocytes (glioblastoma multiforme is a malignant astrocytoma and the most common primary brain tumor among adults).
Glioblastoma, previously known as glioblastoma multiforme (GBM), is the most aggressive and most common type of cancer that originates in the brain, and has a very poor prognosis for survival.
A nervous system tumor is a tumor that arises within the nervous system, either the central nervous system (CNS) or the peripheral nervous system (PNS). [1] [2] Nervous system primary tumors include various types of brain tumor and spinal tumors, such as gliomas, and meningiomas (of the CNS), and schwannomas (of the PNS) and can be either benign or malignant.
The most common types of primary tumors in adults are meningiomas (usually benign) and astrocytomas such as glioblastomas. [1] In children, the most common type is a malignant medulloblastoma. [3] Diagnosis is usually by medical examination along with computed tomography (CT) or magnetic resonance imaging (MRI). [2]
Gliomas are more frequent and aggressive in adults, while certain benign tumors like pilocytic astrocytomas are more common in children. Notably, adults are more likely to develop secondary (metastatic) tumors that spread to the nervous system from cancers originating in other parts of the body.
Histopathology of a brainstem glioma. A brainstem glioma is a cancerous glioma tumor in the brainstem. Around 75% are diagnosed in children and young adults under the age of twenty, but have been known to affect older adults as well. [1] Brainstem gliomas start in the brain or spinal cord tissue and typically spread throughout the nervous ...
Oligodendrogliomas are a type of glioma that are believed to originate from the oligodendrocytes of the brain or from a glial precursor cell. They occur primarily in adults (9.4% of all primary brain and central nervous system tumors) but are also found in children (4% of all primary brain tumors).
Thalamic gliomas are most often discovered on magnetic resonance imaging following symptoms, with the most common presenting symptom being motor deficit. [2] While a definitive diagnosis of the neoplasm cannot be made without a biopsy of the tumor, biopsies have historically been avoided due to the extreme sensitivity of the region.
Ads
related to: malignant gliomas in adults