What department should I go to for kidney stones?

Written by Zeng Zhong
Urology
Updated on September 28, 2024
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Patients with kidney stones need to visit the urology department of their local hospital for standard examinations and treatments. Doctors will conduct an ultrasound and CT scan of the urinary system to determine the exact size of the stones. If the stones are relatively small, measuring less than 1.52 centimeters, they can be treated with extracorporeal shock wave lithotripsy. If the stones are larger, surgical treatment is necessary. Currently, the main method is a minimally invasive percutaneous nephrolithotomy with holmium laser lithotripsy. Patients generally need about 7-10 days post-operation before they can be discharged from the hospital.

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Written by Wang Shuai
Urology
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How to deal with kidney stones?

For the treatment of kidney stones, it is first necessary to determine the specific size and location of the stones, and whether there are conditions such as hydronephrosis or infection to guide the treatment approach. If the stones inside the kidney are relatively small, such as about five millimeters, conservative treatment is primarily used. This can involve drinking more water, urinating frequently, and exercising more. When necessary, oral medications like stone expulsion granules or solutions can be taken to help expel the stones from the body. If the stones are larger and accompanied by hydronephrosis or even infection, it is necessary to control the infection first and then proceed with surgical treatment. Common surgical methods include percutaneous nephrolithotomy, ureteroscopic lithotripsy, or open surgery for stone removal.

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Written by Chen Feng
Urology
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What are the symptoms of kidney stones?

The symptoms of kidney stones vary depending on the size of the stones and whether they cause obstruction. If the stones are relatively small, they can usually pass smoothly through the ureters and urethra and be expelled from the body without causing any symptoms. When the stones are expelled, small stones can be seen in the urine. If the kidney stones are relatively large but do not cause obstruction in the kidneys or bladder, they generally do not cause any symptoms. Symptoms occur only when larger stones move downward and become lodged in the ureters, causing back pain, nausea, and vomiting. The stones can scratch the walls of the ureters, leading to blood in the urine. When stones get stuck in the urethra, it can cause painful urination discomfort and perineal pain. Since the stones can scratch the inner walls of the urethra, they may also cause blood in the urine.

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Written by Hu Lin
Nephrology
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Causes of Kidney Stones

The causes of kidney stone formation include the following: One reason is the increased amount of stone-forming components in the urine. Various factors that cause an increase in the concentration of salts, uric acid, oxalates, and cystine in the urine can exceed their solubility. This results in the precipitation and crystallization from the urine, which further grows into stones. For example, hyperuricemia can lead to an increased excretion of urinary uric acid, making it easy to form urate stones. Secondly, the reduction in urine substances that inhibit stone formation, including decreases in citrate and magnesium, can promote stone formation. Third, urinary tract obstruction and infection can lead to stone formation. In cases of urinary tract obstruction and poor urine flow, small crystals formed in the urine can easily adhere to the epithelial cells of the urinary tract, becoming the nucleus of the stone. Urinary tract obstruction may also lead to urinary tract infections where bacteria, pus, and damaged, necrotic epithelial cells can also form the core of stones and gradually develop into larger stones. Fourth, diet and hydration play significant roles. Long-term, high intake of high-protein, high-sodium, high-sugar foods can cause increased excretion of urinary calcium and uric acid, while reducing citrate levels, thus promoting stone formation. A decrease in water intake can also cause urine concentration, further promoting stone formation. Fifth, environmental factors and genetic factors are considered to be related to the formation of kidney stones. It is believed that the hardness of water and genetic factors also have certain relationships with kidney stone formation.

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Written by Zeng Zhong
Urology
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How to check for kidney stones?

For kidney stone examination, it is necessary to conduct an ultrasonography of the urinary system. Patients can go to the urology department of their local hospital for a formal examination. The ultrasound of the urinary system primarily looks at the size of the kidney stones and whether there is any water accumulation in the kidneys. Based on the results of the examination, an appropriate treatment plan can be formulated. For example, smaller kidney stones can be treated with extracorporeal shock wave lithotripsy, while larger kidney stones may require minimally invasive surgery.

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Written by Zhou Qi
Nephrology
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Are kidney stones severe?

The severity of kidney stones depends on the size of the stones and their location. For example, stones within the kidney parenchyma, if not large and not moving, generally do not cause much trouble. However, if the stones block the area of the renal pelvis and calyces, or even move downward to block the ureter, causing the urine produced by the kidneys to not be excreted smoothly, it will cause the patient to experience renal colic. This type of pain is very intense, radiating to the back and causing abdominal pain, as well as pain in the perineal area. Patients often may also experience fever and other clinical symptoms. Prolonged obstruction of the urinary system can lead to renal failure, which is quite dangerous.