Course book Advanced Treatment Planning 2018

Ms E, 51 years old

• Grade III (malignant or anaplastic) meningioma has a poor outlook

• WHO Grade

5 year local control

– I

90 - 95% 40 - 60% 20 - 50%

– II

– III

• Grade III often transform from lower grade • Metastasis seen in (only) 0.1% of cases, all grade III tumours