title: Comparison of Non-Hilar Clamping Simple Enucleation and Enucleo-Resection of Exophytic Renal Tumors.
abstract: OBJECTIVE
  To retrospectively evaluate our institutional experience with non-hilar-clamping simple enucleation (SE) and enucleoresection (ER) for the treatment of exophytic renal tumors regarding their oncological outcomes.
  
  
  METHODS
  We retrospectively evaluated patients treated between 2006 and 2013 for clinical exophytic T1-T2a renal tumors using open nephron-sparing surgery.
  
  
  RESULTS
  A total of 33 patients underwent SE and 39 underwent ER. The mean tumor size was 38.7 mm. None of the patients had positive surgical margins. No local recurrences were observed during the postoperative follow-up period (mean 40.7 ± 23.4 months); however, ipsilateral adrenal and contralateral kidney metastasis was detected in one of the patients. There was no statistically significant difference in the R.E.N.A.L Nephrometry Score, operative time, or intraoperative blood loss in the non-hilar-clamping SE and ER groups (P > .05). During the third postoperative month, the estimated glomerular filtration rate (eGFR) levels in the SE group were significantly reduced compared with the preoperative eGFR levels (P = .046).
  
  
  CONCLUSIONS
  SE and ER with non-hilar clamping are safe, acceptable approaches for treating exophytic renal tumors.
authors.affiliation: Department of Urology, Necmettin Erbakan University, Meram Medical School, Konya, Turkey. drbalasar@gmail.com.
authors.forename: Mehmet
authors.initials: M
authors.lastname: Balasar
authors.affiliation: Department of Urology, Bulanık State Hospital, Muş, Turkey.
authors.forename: Emrullah
authors.initials: E
authors.lastname: Durmus
authors.affiliation: Department of Urology, Necmettin Erbakan University, Meram Medical School, Konya, Turkey.
authors.forename: Mehmet Mesut
authors.initials: MM
authors.lastname: Piskin
authors.affiliation: Department of Urology, Necmettin Erbakan University, Meram Medical School, Konya, Turkey.
authors.forename: Giray
authors.initials: G
authors.lastname: Karalezli
authors.affiliation: Department of Urology, Necmettin Erbakan University, Meram Medical School, Konya, Turkey.
authors.forename: Recai
authors.initials: R
authors.lastname: Gurbuz
authors.affiliation: Department of Urology, Necmettin Erbakan University, Meram Medical School, Konya, Turkey.
authors.forename: Mehmet
authors.initials: M
authors.lastname: Kilinc
mesh_terms: D000328:Adult; D000368:Aged; D016063:Blood Loss, Surgical; D002292:Carcinoma, Renal Cell / Q000556:secondary / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D005919:Glomerular Filtration Rate; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D061646:Operative Time; D059351:Organ Sparing Treatments / Q000379:methods*; D012334:RNA, Neoplasm; D012189:Retrospective Studies; D047368:Tumor Burden; D013520:Urologic Surgical Procedures / Q000379:methods
chemical_list: D012334:RNA, Neoplasm