| plocytic astrocytoma | <tumour> A slowly growing astrocytoma composed histologically of elongated fibrous astrocytes; often located in the optic chiasm or hypothalamus. Synonym: piloid astrocytoma. (05 Mar 2000) |
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| protoplasmic astrocytoma | <tumour> A neoplasm composed primarily of protoplasmic-type astrocytes. (05 Mar 2000) |
| subependymal giant cell astrocytoma | <tumour> A rare astrocytoma, frequently located in the wall of the lateral ventricle, comprised of large glial cells with abundant eosinophilic cytoplasm and intermixed elongated astrocytes, associated with tuberous sclerosis. (05 Mar 2000) |
| desmoplastic cerebral astrocytoma | <tumour> A rare variant of astrocytoma most frequently occurring in infancy, the tumour has a spindled cell appearance. (05 Mar 2000) |
| juvenile cerebellar astrocytoma | <oncology, tumour> This primary brain tumour of the cerebellum accounts for 10 to 30% of brain tumours in children. The are usually slow growing and benign. Symptoms include gait problems, clumsiness, headache and vomiting. Treatment often involves a combination of surgery, radiation therapy and chemotherapy. (27 Sep 1997) |
| fibrillary astrocytoma | <tumour> Astrocytoma derived from fibrillary astrocytes. (05 Mar 2000) |