- anaplastic astrocytoma
- a malignant to highly malignant form of astrocytoma that often degenerates into a glioblastoma; variously classified as a Grade II or a Grade III astrocytoma.
Medical dictionary. 2011.
Look at other dictionaries:
astrocytoma fibrillare — fibrillary astrocytoma an astrocytoma whose cells resemble fibrous astrocytes, usually a Grade I or Grade II astrocytoma found in the cerebrum of an adult, but occasionally occurring in the brainstem or cerebellum. A minority are malignant and… … Medical dictionary
astrocytoma — A glioma derived from astrocytes. [G. astron, star, + kytos, cell, + oma, tumor] anaplastic a. intermediate grade a. characterized by increased cellularity, nuclear pleomorphism, mitoses, and variable … Medical dictionary
astrocytoma — A neuro ectodermal tumour (glioma) arising from astrocytes. Probably the commonest glioma, it has a tendency to become anaplastic … Dictionary of molecular biology
malignant astrocytoma — an astrocytoma of Grade III or Grade IV; see anaplastic a. and glioblastoma … Medical dictionary
Brain tumor — Classification and external resources Brain metastasis in the right cerebral hemisphere from lung cancer shown on T1 weighted magnetic resonance imaging with intravenous contrast … Wikipedia
Oligodendroglioma — Classification and external resources Micrograph of an oligodendroglioma showing the characteristic branching, small, chicken wire like blood vessels and fried egg like cells, with clear … Wikipedia
Meningioma — Classification and external resources A contrast enhanced CT scan of the brain, demonstrating the appearance of a Meningioma. ICD 10 C70, D32 … Wikipedia
Glioma — Classification and external resources Glioma in the left parietal lobe (brain CT scan), WHO grade 2. ICD 10 C71 … Wikipedia
Ependymoma — Classification and external resources Micrograph of an ependymoma. H E stain. ICD 10 C71 … Wikipedia
Astrocyte — For the cell in the gastrointestinal tract, see Interstitial cell of Cajal. Neuron: Astrocyte Astrocytes can be visualized in culture because they express glial fibrillary acidic protein … Wikipedia