Treatment of Primary CNS Lymphoma ( FTD )

"HD-MTX-Ara-C regimen high-does metrotrexate 3.5g/m2 d1 ivgtt 6h,cytarabine~1g/m2 bid d2-3.Continued use to the end of chemotherapy .Every 21 days for one cycle and four cycles are required. Efficacy was evaluated every two cycles"

FTD regimen(fotemustine, temozolomide and dexamethasone),fotemustine 100mg/m2 d1 ivgtt,temozolomide 150mg/m2 d1-5 po,dexamethasone 40mg d1-5 ivgtt.Continued use to the end of chemotherapy .Every 28 days for one cycle and four cycles are required. Efficacy was evaluated every two cycles