Occult hematuria is urinary occult blood, usually refers to the urine color is normal, but there are blood cells in the urine, in the clinic is usually cystitis, renal tuberculosis, urinary tract stones, urinary tract tumors and other diseases.
1. Cystitis: Inflammation of the bladder caused by bacterial infection, there may be frequent urination, urinary urgency and other symptoms, and some patients may have occult blood in the urine.
2. Renal tuberculosis: caused by Mycobacterium tuberculosis, mostly transferred from pulmonary tuberculosis, may have bladder irritation signs, occult hematuria or hematuria.
3. Urinary stones: that is, urinary stones, including kidney stones, ureteral stones, etc., the location of the stones will be different symptoms, most of them can have pain in the kidney area. Most of them can have pain in kidney area. Hidden hematuria or hematuria with naked eyes can also occur due to the stone breaking through the mucous membrane of tissues.
4. Urological tumors: such as renal cancer, renal pelvis cancer, bladder cancer, etc. When tumor cells are necrotic and detached, occult hematuria or obvious hematuria will appear.
Occult hematuria should be taken seriously and further examination is needed to find out the cause.