Tumour multifocality and grade predict intravesical recurrence after nephroureterectomy in patients with upper urinary tract urothelial carcinoma without a history of bladder cancer

Tsukasa Narukawa, Tomohiko Hara, Eri Arai, Motokiyo Komiyama, Takashi Kawahara, Yae Kanai, Hiroyuki Fujimoto

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Objective: Patients with upper urinary tract urothelial carcinoma (UUT-UC) without a history of bladder cancer have a different natural history of intravesical recurrence after nephroureterectomy compared with those with a history of bladder cancer. The aim of this study was to identify predictive factors for post-operative intravesical recurrence in patients with non-metastatic upper urinary tract-localized urothelial carcinoma without a history of bladder cancer and who were not taking medication during the perioperative period. Methods: This retrospective study included 133 patients who were treated between 1995 and 2012. Univariate and multivariate analyses were used to evaluate the clinical and pathological factors associated with the cumulative incidence of bladder cancer. Results: Of the 133 patients, 51 (38.3%) developed intravesical recurrence during a median follow-up of 71 months (range, 0.8-210.8). In the multivariate analysis, multifocality (P = 0.03) and high tumour grade (P = 0.007) were significantly associated with the cumulative incidence of bladder cancer. We constructed a prediction classification model on the basis of the total number of risk factors. The 2-year cumulative incidence rates were 5.6, 34.8 and 50.0% in individuals with no, one and two risk factors, respectively. There was a significant difference between patients with no risk factors and those with two risk factors (P = 0.01). Conclusions: Although this retrospective study had several limitations, tumour multifocality and tumour grade were found to be potential risk factors for intravesical recurrence in our cases.

Original languageEnglish
Article numberhyv019
Pages (from-to)488-493
Number of pages6
JournalJapanese journal of clinical oncology
Volume45
Issue number5
DOIs
Publication statusPublished - 2015 May 1
Externally publishedYes

Keywords

  • Intravesical recurrence
  • Renal pelvic cancer
  • Upper urinary tract urothelial carcinoma
  • Ureteral cancer
  • Urologic-med
  • Urology

ASJC Scopus subject areas

  • Oncology
  • Radiology Nuclear Medicine and imaging
  • Cancer Research

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