Oligodendroglioma surgery

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Sara Mohsin, M.D.[2]Sujit Routray, M.D. [3]

Overview

Surgery is the first-line treatment option for patients with oligodendroglioma. CSF shunting is usually reserved for patients with hydrocephalus.

Surgical resection is the first-line treatment option for patients with oligodendroglioma.^[1]
Because of their diffusely infiltrating nature, oligodendrogliomas cannot be completely resected.
The aim of surgery is to:^[2]
- Make a definitive diagnosis
- Debulk the tumor to relieve elevated intracranial pressure
- Reduce the tumor mass as a precursor to adjuvant treatment

CSF shunting is performed to relieve the pressure in the brain due to blockade in the flow of cerebrospinal fluid due to oligodendroglioma.^[3]
- External ventricular drain - temporary shunt
- Internal drain - permanent shunt
  - Drains CSF into the patient’s abdomen where it is absorbed into the body