2Schlegel U, Pels H, Glasmacher A, et al. Combined systemic and intraventricular chemotherapy in primary CNS lymphoma: a pilot study. J Neurol Neurosurg Psychiatry, 2001,71 ( 1 ) : 118.
3Lal P, Haldar S, Datta NR, et al. Primary CNS lymphonla: an audit of cases treated over a nine year period and review of the literature. Indian J Cancer, 2000,37( 1 ) :32.
4Eby NL, Grufferman S, Flarnnely CM, et al. Increasing incidence of primary brain lymphoma in the US. Cancer, 1998, 62 (11 ) :2 461.
5Schlegel U,Schmidi Wolf IG,Deckert M. Primary CNS lymphoma: clinical presentation ,pathological classification, molecular pathogenesis and treatment. J Neurol Sci, 2000.181 (1-2) : 1.
6Baumgartner TE. Primary central nervous-system lymphomas: naturel history and respons to radiation therapy in 55 patients with acquired immunodeficiency syndeone J Neurosurg, 1991, 73:211.
7Pollack IF, Lunsford LD, Flickinger JC,et al. Prognotic factors in the diagnosis and treatment of primary CNS lymphoma. Cancer, 1989, 63(5) :939.
