Predictors of Long Term Survival in Progressive Anaplastic Astrocytoma

Anaplastic astrocytoma (AA)can be either denovo or arisefrom the progression of lowgrade glioma (1), theProgressive AnaplsticAstrocytoma (PAA). Thesetumors invariably recure andprognosis is quite variable(1,2). Our study is intendedto assess the utility of clinicaland routineimmunohistochemical factors,in predicting long termsurvival in a subset ofpatients of PAA.