Hematuria in 34 year old cumadin patient. urine tests shows no cancer cells. ct shows calcification in the bladder wall. why would be blood in urine?

Hematuria : You will probably need a cystoscopy to definitely exclude a bladder tumor or a polyp. Only then would your hematuria be a mystery?

What is the inr ?: Make sure there is no pathology that is serious in the bladder. Make sure you do not have a bladder infection. Sometimes that comes with taking coumadin (warfarin). Make sure you are having the inr check on Coumadin (warfarin) done. Should be 2-3 in most cases.

Bladder Calc.: Bladder calcifications can be caused by a variety of disease including schistosomiasis, bladder cancer, encrustation cystitis, and drug induced cystitis, and even tuberculosis. In order to make a definitive diagnosis, one would need a cystoscope.