title: [Nephron sparing surgery of patients with renal cell carcinoma in a solitary kidney or bilateral renal cell carcinoma].
abstract: OBJECTIVE
  The objective of this study is to evaluate the efficacy of nephron sparing surgery for renal cell carcinoma in patients with a solitary kidney or bilateral tumors.
  
  
  METHODS
  From 1982 to 1994, a total of 12 patients with a solitary kidney or bilateral tumors underwent nephron sparing surgery. The survival and complications were examined.
  
  
  RESULTS
  The patients were 11 males and 1 female. Three patients were in stage 1, 6 in stage 2, 2 in stage 3, and 1 in stage 4, and the mean tumor size was 3.4 cm (0.8-6.5). The complications were post-operative bleeding in one patient and slight transient renal dysfunction which didn't require hemodialysis in 3 patients. The local recurrence was observed in 1 patient (8.3%), metastasis in 3 (25%), no evidence of disease in 8 (66.7%), alive with cancer in 1 (8.3%), death due to cancer in 2 (16.7%), death due to other disease in 1 (8.3%), and the 5 year survival of all patients was 62.5%, that was almost the same as the result of 141 renal cell carcinoma patients treated with nephrectomy in our hospital. The disease free survival rate of the patients in stage 1 and 2 seems to be higher than in stage 3 and 4 with no significant difference (p = 0.0956).
  
  
  CONCLUSIONS
  These results suggest that nephron sparing surgery for renal cell carcinoma in patients with a solitary kidney or bilateral tumors is a useful therapy.
authors.affiliation: Department of Urology, Kobe University School of Medicine.
authors.forename: H
authors.initials: H
authors.lastname: Etoh
authors.forename: K
authors.initials: K
authors.lastname: Ueno
authors.forename: H
authors.initials: H
authors.lastname: Miyake
authors.forename: T
authors.initials: T
authors.lastname: Sugiyama
authors.forename: Y
authors.initials: Y
authors.lastname: Oka
authors.forename: I
authors.initials: I
authors.lastname: Hara
authors.forename: I
authors.initials: I
authors.lastname: Nakamura
authors.forename: H
authors.initials: H
authors.lastname: Okada
authors.forename: S
authors.initials: S
authors.lastname: Arakawa
authors.forename: S
authors.initials: S
authors.lastname: Kamidono
mesh_terms: D000368:Aged; D002292:Carcinoma, Renal Cell / Q000473:pathology / Q000601:surgery*; D005260:Female; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D009392:Nephrectomy / Q000379:methods; D009399:Nephrons / Q000601:surgery*; D011379:Prognosis