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"Astrocytoma" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

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Neoplasms of the brain and spinal cord derived from glial cells which vary from histologically benign forms to highly anaplastic and malignant tumors. Fibrillary astrocytomas are the most common type and may be classified in order of increasing malignancy (grades I through IV). In the first two decades of life, astrocytomas tend to originate in the cerebellar hemispheres; in adults, they most frequently arise in the cerebrum and frequently undergo malignant transformation. (From Devita et al., Cancer: Principles and Practice of Oncology, 5th ed, pp2013-7; Holland et al., Cancer Medicine, 3d ed, p1082)

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This graph shows the total number of publications written about "Astrocytoma" by people in this website by year, and whether "Astrocytoma" was a major or minor topic of these publications.
Bar chart showing 114 publications over 32 distinct years, with a maximum of 8 publications in 1998 and 2006 and 2015
To see the data from this visualization as text, click here.