title: [Diagnosis and surgical treatment of 98 cases with adult primary retroperitoneal malignant tumor].
abstract: OBJECTIVE
  To investigate the diagnosis and surgical treatment of adult primary retroperitoneal malignant tumor (APRMT).
  
  
  METHODS
  The clinical data of 98 cases with APRMT underwent resection from January 1990 to April 2003 were analyzed retrospectively.
  
  
  RESULTS
  Among the 98 cases, complete excision were performed in 79 cases (80.6%), palliative excision in 16 cases (16.3%), tumor biopsy only in 3 cases (3.1%). Resection of involved adjacent organs were carried out in 25 cases (25.5%) and the re-operation rate for recurrence was 28.6% (28 cases). The 1, 3, 5 year survival rates for 79 cases with complete resection were 93.7%, 73.4% and 34.2%, respectively. The 1, 3, 5 year survival rate for 16 cases with palliative resection were 75.0%, 6.3% and 6.3%, respectively.
  
  
  CONCLUSIONS
  Certain imaging examinations are crucial to the diagnosis and preoperative evaluation of APRMT. Resection of the involved organs could improve resection rate and prognosis. For the recurrent cases, earlier reoperation is strongly recommended.
authors.affiliation: The Department of General Surgery, First Affiliated Hospital of China Medical University, Shenyang 110001, China. yuanhongxu@hotmail.com
authors.forename: Yuan-hong
authors.initials: YH
authors.lastname: Xu
authors.forename: Ke-jian
authors.initials: KJ
authors.lastname: Guo
authors.forename: Ming-hui
authors.initials: MH
authors.lastname: Ma
authors.forename: Yan
authors.initials: Y
authors.lastname: Bai
authors.forename: Guo-zhi
authors.initials: GZ
authors.lastname: Yu
authors.forename: Chun-lin
authors.initials: CL
authors.lastname: Ge
authors.forename: Ren-xuan
authors.initials: RX
authors.lastname: Guo
authors.forename: Liang-geng
authors.initials: LG
authors.lastname: Li
authors.forename: Yu-lin
authors.initials: YL
authors.lastname: Tian
authors.forename: San-guang
authors.initials: SG
authors.lastname: He
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D011379:Prognosis; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis* / Q000601:surgery*; D012189:Retrospective Studies; D016019:Survival Analysis; D016896:Treatment Outcome