DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Urine in haemorrhagic cystitis. Urine sample from a patient with haemorrhagic cystitis, showing a red colour due to the presence of blood. Haemorrhagic cystitis is inflammation of the bladder that causes symptoms including painful urination (dysuria), red blood cells in the urine (haematuria), and bleeding (haemorrhage). Causes of haemorrhagic cystitis include chemotherapy, radiation, or infection.
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