What is the cause of high red blood cells in male urine?

Male urine red blood cells high, indicating the presence of hematuria phenomenon, common causes are due to urinary system infection or stones caused, but also may be caused by urinary system tumors, left renal vein compression syndrome and polycystic kidney disease. It is recommended to actively seek medical examination. If there is a urinary system tumor, surgery should be taken as soon as possible.