Effect of different doses of prophylactic cranial irradiation in childhood lymphoblastic leukemia on CNS relapse, late cognitive decline and learning disabilities

Mohamed Meshref1*, Nihal ElShazly2, Mohamed Nasr3 and Rehab AbdElhai4 *Correspondence: [email protected] 1Departments of Clinical Oncology Kasr El Eini cancer centre – Faculty of Medicine Cairo University, Al-Saray street, El-Manial, Cairo 11956, Egypt. 2Department of Clinical Neurophysiology– Faculty of Medicine Cairo University, Al-Saray street, El-Manial, Cairo 11956, Egypt. 3Department of Psychiatry Faculty of Medicine Cairo University, Al-Saray street, El-Manial, Cairo 11956, Egypt. 4Department of Biostatistics and Community MedicineFaculty of Medicine Cairo University, Al-Saray street, El-Manial, Cairo 11956, Egypt.