Neoplastic Process
subependymal glioma
Subclass of:
Ependymoma
Definitions related to subependymal glioma:
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(subependymoma, benign) A benign neoplasm of the brain localized in the vicinity of a ventricular wall and is composed of glial tumor cell clusters embedded in an abundant fibrillary matrix with frequent microcystic changes.CDISC TerminologyClinical Data Interchange Standards Consortium (CDISC), 2021
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(subependymoma) A benign, slow growing neoplasm which is typically attached to a ventricular wall. It is composed of glial tumor cell clusters embedded in an abundant fibrillary matrix with frequent microcystic change. Some lesions have the histological features of both subependymoma and ependymoma. It is often detected incidentally and has a very favorable prognosis. (Adapted from WHO.)NCI ThesaurusU.S. National Cancer Institute, 2021
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(subependymoma) Subependymoma is a rare and slow growing type of ependymoma, often presenting in middle-aged adults, found more commonly in men than in women, usually located in the fourth and lateral ventricles and manifesting with variable symptoms including headache, nausea, and loss of balance. In some cases it can be asymptomatic. It is usually associated with a better prognosis than other forms of ependymoma.OrphaNetINSERM, 2021
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(glioma, subependymal) Rare, slow-growing, benign intraventricular tumors, often asymptomatic and discovered incidentally. The tumors are classified histologically as ependymomas and demonstrate a proliferation of subependymal fibrillary astrocytes among the ependymal tumor cells. (From Clin Neurol Neurosurg 1997 Feb;99(1):17-22)NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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Subependymomas are slow-growing brain tumors that are usually benign. They are most often found in the fourth or lateral ventricles in the brain, but may occur in the spine. Symptoms depend on the tumor location. Some people do not have symptoms, while others may have headaches, changes in vision, and/or difficulty with balance. These...National Center for Advancing Translational Sciences
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