Abstract
1) Three cases of the clot-filld bladder were reported.
2) A renal-tuberculosis, a papilloma of the bladder and a case believed to be luetic ulcer of the urinary bladder were the underlying diseases.
3) Since the clot-filld bladder may lead to death, this blood clot must be removed. Means other than through operation must be tried at first and of this is unsuccessful, operation must be performed and necessary hemostatic methods carried out.
