CLASSIFICATION OF GLIOMA (By grade)

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Gliomas are similarly categorized consistent with their grade, which is decided with the aid of pathologic evaluation of the tumor. The neuropathological assessment and diagnostics of brain tumor specimens is achieved consistent with WHO Classification of Tumors of the Central Nervous System.

Biologically benign gliomas [WHO grade I] are relatively low risk and can be eliminated surgically depending on their location.

Low-grade gliomas [WHO grade II] are properly-differentiated (no longer anaplastic); those tend to show off benign tendencies and portend a higher prognosis for the affected person. However, they have got a uniform charge of recurrence and boom in grade over time so need to be classified as malignant.

High-grade [WHO grades III–IV] gliomas are undifferentiated or anaplastic; those are malignant and carry a worse analysis.

Of several grading systems in use, the most commonplace is the World Health Organization (WHO) grading machine for astrocytoma, below which tumors are graded from I (least superior disease—best prognosis) to IV (maximum advanced disorder—worst analysis).