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NCCN Guidelines for Patients



Brain Cancer – Gliomas, Version 1.2016

Tests after surgery

The removed tissue will be sent to a pathologist for

testing. The pathologist will confirm if there’s cancer,

and if so, the cancer grade. Molecular markers of

gliomas will also be assessed.

You should receive a brain MRI if you had a gross

total or subtotal resection. MRI should be done within

24 to 72 hours after surgery. Images will be made

with and without contrast. This test can confirm how

much of the cancer was removed. If you can’t have

MRI, you may receive a CT scan with and without



Oligodendrogliomas and oligoastrocytomas Grade III anaplastic