Oligodendroglial tumors
General information
1p/19q co deleted oligodendrogliomas (ODG) are graded as WHO grade II or WHO grade III based on histology (as with 2007 WHO classification – “low grade” and “high grade”). WHO grade II is a favorable prognostic indicator independent of 1p/19q co-deletion.
Definition
Oligodendrogliomas are defined as IDH mutant and 1p 19q codeletion grade II tumours by the World Health Organization Classification of Tumors of the Central Nervous System 2016 1).
Epidemiology
Classification
Etiology
Pathology
Clinical features
Diagnosis
Differential diagnosis
Treatment
Outcome
Case reports
1)
Louis DN, Perry A, Reifenberger G, et al. The 2016 World Health Organization classification of tumors of the central nervous system: a summary. Acta Neuropathol 2016; 131: 803–20