INCLUSION CRITERIA  BOTH GROUPS  M/F Patient agrees to follow study protocol and is able to follow study procedures Patient signed, dated and understood consent form Patient has a social security scheme  CASE GROUP  Patient is 18 or older Patient for whom a bladder cancer recently diagnosed, or backsliding/progression is heavily suspected after the initial fibroscopy Patient who hasn't started systemic/oral/radiotheurapeutic pelvic treatment for his/her tumor  CONTROL GROUP  Patient between 18 and 45 y/o Patient not suspected of having any bladder cancer Patient attending or hospitalized for urolithiasis, urinary infections, superior excretory stones or with non suspect urinary symptomatology Patient who hasn't been exposed to bladder carcinogens (tobacco, industrial carcinogen (ex: coal tar, tar/coal oils, coal pitch and burning coal soot), urinary bilharzia, chemotherapy exposition (cyclophosphamid) Patient that had a negative cytopathological exploration of the excretory urinary route OR/AND iconography (pelvic echography, pelvic scanner) OR/AND endoscopy with prior urinary sample Patient unscathed of any cancer that might interact with bladder cancer : uterine cancer, prostate cancer, rectal cancer, and metastasis from other cancer or non-urologic tumor invading the bladder  EXCLUSION CRITERIA BOTH GROUPS  Non-treated current urinary infection Patient with another pelvic cancer Bladder cancer outside of urothelial carcinoma Associated carcinoma of the high urinary apparatus Patient that received renal transplantation (BK virus) Patient that received pelvis radiotherapy (related to prostatic cancer, gynecologic cancer or pelvic digestive cancer) Patient having a JJ catheter Refused to signed consent Pregnant, susceptible to be, or breast-feeding women Person Under guardianship Impossibility to submit to medical monitoring because of geographic, social, or mental issues  CASE GROUP • Under 18y/o  CONTROL GROUP  • Under 18y/o or above 45 y/o