Brain Tumours

Summary of Prognostic Factors

Skull base: Chondrosarcomas versus Chordomas

•

( +++ )

•

(+++)

Tumor Size

•

(++) Skull Base versus Spine

• (+) Primary versus recurrent disease

• (+) Chondroid versus Non-Chondroid Pathology • (?) Gender • (+) Age • (+) Pediatric versus Adult • (+++) Ability versus Inability to deliver dose: Optimal / suboptimal dose distribution by involvement or abutment

of

critical structures

•

(+++)

Radiation Dose

•

(+++)

Protons versus Photons

03/01/13