title: [Blastic natural killer cell leukemia--one case report and review of literature].
abstract: OBJECTIVE
  To report a case of blastic natural killer cell leukemia with an aggressive clinical course.
  
  
  METHODS
  The characteristics of blastic NK cell leukemia and its treatment were discussed with review of literatures.
  
  
  RESULTS
  After combination chemotherapy and spinal cord segmental radiotherapy, the patient entered hematological remission, but the extramedullary lesion remained unchanged.
  
  
  CONCLUSIONS
  Blastic NK cell leukemia has an aggressive clinical course with poor response to treatment and unfavorable prognosis.
authors.affiliation: Department of Hematology, The Se-cond Hospital, Hebei Medical University, Shijiazhuang 050000, China.
authors.forename: Xiao-nan
authors.initials: XN
authors.lastname: Guo
authors.forename: Cai-yun
authors.initials: CY
authors.lastname: Wang
authors.forename: Ying
authors.initials: Y
authors.lastname: Wang
authors.forename: Shi-rong
authors.initials: SR
authors.lastname: Xu
authors.forename: Jin-hai
authors.initials: JH
authors.lastname: Ren
authors.forename: Feng-ru
authors.initials: FR
authors.lastname: Lin
authors.forename: Er-gu
authors.initials: EG
authors.lastname: Yao
mesh_terms: D000328:Adult; D003131:Combined Modality Therapy; D006801:Humans; D007694:Killer Cells, Natural / Q000473:pathology*; D007945:Leukemia, Lymphoid / Q000473:pathology* / Q000628:therapy; D017254:Leukemic Infiltration; D008297:Male