Stone once the disease, patients will not sit, waist appear colic. However, a large number of people in a timely manner with kidney stones and no obvious symptoms. So, these people should be how to check?

Most of the symptoms of kidney stones are located in the renal pelvis and renal pelvis. Some factors lead to an increase in the concentration of crystalline substances in the urine or a decrease in solubility. They are supersaturated, precipitate crystals and grow locally, eventually forming stones

The obvious symptoms of kidney stones are as follows:

1, hematuria, hematuria is the main symptoms of kidney stones. Pain can be accompanied by gross hematuria or microscopic hematuria, microscopic hematuria is common, hematuria after physical activity can be aggravated

2, in the urine of patients with kidney stones can be discharged small stone, especially in pain and hematuria occurs, the urine mixed with sand like stones. The symptoms of kidney stones through the urethra, blocked or tingling.

3, no symptoms: mostly renal calculi, physical examination, B ultrasound examination found that the urine test negative or a small amount of red, white blood cells

4, the most typical symptoms of kidney stones is colic. More performance for the sudden onset of knife like pain, severe unbearable pain, patient restless, pain from back or side abdominal downward radiation to the lower abdomen, inner thighs and genitals, accompanied by vomiting, nausea, vomiting, the pain was paroxysmal.

Renal calculi associated with infection, can have frequent micturition, urgency, dysuria symptoms.

So, for the part of asymptomatic people, how to check kidney stones?

1. urinalysis

You can see there is no urine, urinary protein, red blood cells, white blood cells, crystal, bacteria and so on.

2. blood test

If the blood count is too high, it indicates that it may be infected, or you can draw blood to check the renal function and the calcium concentration in the blood

3. X-ray examination

X-ray examination is the most important method for the diagnosis of urinary calculi. Including kub, excretory urography, retrograde pyelography, or percutaneous renal puncture angiography.

4.CT check

CT is currently the diagnosis preferred.CT examination showed renal size, contour, kidney stone, hydronephrosis, renal parenchymal disease and residual renal parenchyma, but also identify renal cyst or hydronephrosis; urinary tract obstruction caused by urinary tract lesions can be identified outside, such as retroperitoneal tumors, pelvic tumor enhancement; angiography can understand the kidney function; on acute renal failure caused by stones, the establishment of CT can contribute to the diagnosis.