Bladder Cancer Flashcards
Definition
· Malignancy of bladder cells
o Most bladder cancers are transitional cell carcinomas
o RARELY, bladder cancers may be squamous cell carcinomas associated with chronic inflammation (e.g. schistosomiasis)
Aetiology
Unknown
Risk factors
o Smoking o Dye stuffs (naphthylamines and benzidine) o Cyclophosphamide treatment o Pelvic irradiation o Chronic UTIs o Schistosomiasis
Epidemiology
· 2% of cancers
· 2nd most common cancer of the genitourinary tract
· 2-3 x more common in MALES
· Peak incidence: 50-70 yrs
Presenting symptoms
· Painless macroscopic haematuria
· Irritative/storage symptoms
o Frequency
o Urgency
o Nocturia
· Recurrent UTIs
· Rarely: ureteral obstruction
Signs on physical examination
· Often NO SIGNS
· Bimanual examination may be performed as part of disease staging
Investigations
· Cystoscopy - allows visualisation, biopsy or removal
· Ultrasound
· Intravenous urography
· CT/MRI for staging