title: [Prognostic influence of prostate gland invasion by bladder tumour and/or prostate cancer in cystoprostatectomy specimen: a review].
abstract: BACKGROUND
  Cystoprostatectomy (CPT) is the gold standard surgical treatment for muscle invasive bladder cancer (MIBC). In certain cases, MIBC can invade the prostate gland and/or a prostate cancer (PCa) can be discovered fortuitously on the pathologic specimen. The aim of the current study was to report the prognostic influence of PCa in patients who underwent a CPT for MIBC.
  
  
  METHODS
  A systematic review of the scientific literature was achieved in the Pubmed database, using the following keywords: prostatic neoplasm; urinary bladder neoplasm; cystectomy; surgery; recurrence; prognosis; survival. Clinical cases and series of less than five cases were deliberately excluded herein.
  
  
  RESULTS
  Overall, ten studies published between 2004 and 2011 and involving 2196 patients were selected. Only retrospective studies of low level of evidence (NP 4) were available. The incidence of neoplastic invasion of the prostate gland by MIBC ranged from 25 to 48%. Preoperative predictors were multiple BC, recurrent, location in the trigone and existence of CIS. Overall survival at 3 years was significantly affected by the invasion of the prostate gland (pT4a) in these patients. The incidence of PCa discovered incidentally pathologic specimen CPT ranged from 14 to 49%. Only age was found as a positive predictor. The diagnosis of PCa did not influence survival of patients with MIBC and no specific PCa adjuvant treatment was systematically advocated.
  
  
  CONCLUSIONS
  Fortuitous diagnosis of PCa and/or neoplastic invasion of the prostatic gland by BC on CPT specimen is not uncommon but this is variable across studies, depending on the quality of the pathological analysis. The invasion of the prostate gland by MIBC is a serious situation (pT4a) and linked with a poor prognosis. In case of concomitant PCa and MIBC, the prognosis is much more related to the natural history of the bladder tumour.
authors: Service d'urologie, faculté de médecine Pierre-et-Marie-Curie, université Paris-VI, hôpital Pitié-Salpêtrière, Assistance publique-Hôpitaux de Paris, 83, boulevard de l'Hôpital, 75013 Paris, France.
authors: C M
authors: CM
authors: Champy
authors: V
authors: V
authors: Phé
authors: S J
authors: SJ
authors: Drouin
authors: E
authors: E
authors: Comperat
authors: J
authors: J
authors: Parra
authors: C
authors: C
authors: Vaessen
authors: P
authors: P
authors: Mozer
authors: M-O
authors: MO
authors: Bitker
authors: M
authors: M
authors: Rouprêt
mesh_terms: D015653:Cystectomy; D006801:Humans; D015994:Incidence; D033162:Incidental Findings; D008297:Male; D009361:Neoplasm Invasiveness; D009367:Neoplasm Staging; D011379:Prognosis; D011468:Prostatectomy; D011471:Prostatic Neoplasms / Q000556:secondary* / Q000601:surgery*; D015996:Survival Rate; D001749:Urinary Bladder Neoplasms / Q000473:pathology* / Q000601:surgery*