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Kidney Cysts

What are kidney cysts?

What diseases cause kidney cysts?

What are the symptoms of kidney cysts?

How is kidney cyst diagnosed?

What are the complications of kidney cysts?

What is the diet suggestion for kidney cysts?

What are kidney cysts?

Kidney cysts are round pouches of fluid that form in the kidneys. Kidney cysts can be associated with serious disorders that may impair kidney function. But more commonly, kidney cysts are a type called simple kidney cysts — noncancerous cysts that rarely cause complications.

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What diseases cause kidney cysts?

●Normal:Cysts may be found in normal kidneys

●Medullary cystic kidney:Very small cysts are found in both kidneys, and kidney failure may develop, requiring dialysis treatment.

●Medullary sponge kidney:Very small cysts are found in both kidneys, and there can be kidney infections, small kidney stones and kidney pain. Medullary sponge kidney does not usually lead to kidney failure.

●Infantile (or recessive) polycystic kidney disease:There are hundreds of cysts in each kidney, and this condition is found in childhood.

●Adult Polycystic Kidney Disease:There there are hundreds of cysts in each kidney: this condition is usually found in adults.

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What are the symptoms of kidney cysts?

Simple kidney cysts usually do not cause symptoms. In most cases, a doctor finds them during an ultrasound or computerized tomography (CT) scan done for another reason. However, kidney cysts may include the following symptoms:

● Abdominal mass: The bigger the kidney is, the worse the kidney function.

● Proteinuria: Generally speaking, the amount will not be much. It will be less than 2g in 24-hours urine. So Nephrotic Syndrome will not occur.

● Hematuria: It is because there are lots of arteries under the cyst wall, when pressure increases or infections happen, the vessels may have rupture and hemorrhage because of the excessive traction. Waist pain is usually aggravated when blood in urine appears. The strenuous exercise, infections and wounds can induce or aggravate the blood in urine.

● High blood pressure: The kidney cysts oppress kidneys, which can cause renal ischemia and make rennin secretion increases, and then lead to high blood pressure. When the kidney function is normal, more than 50% of patients have had high blood pressure. The occurrence rate of high blood pressure will be higher when kidney function declines.

● Waist, abdominal discomfort or pain: The feature of the pain is dull pain. If there has bleeding in kidney cysts or secondary infections, the pain will be aggravated. Renal colic will occur if patients also have kidney stone or the blood clots block urinary tract.

● Decline in kidney function: Because the cyst can oppress the surrounding kidney tissues, decline in kidney function may happen.

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How is kidney cyst diagnosed?

●Imaging tests. Imaging tests, such as an ultrasound, computerized tomography (CT) scan and magnetic resonance imaging (MRI), are often used to investigate simple kidney cysts. Imaging tests can help your doctor determine whether a kidney mass is a cyst or a tumor.

●Kidney function tests. Testing a sample of your blood may reveal whether a kidney cyst is impairing your kidney function

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What are the complications of kidney cysts?

The complications of kidney cysts include: an infected cyst, a burst cyst, urine obstruction, cysts cancerization, kidney stone, high blood pressure and kidney failure.

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What is the diet suggestion for kidney cysts?

Protein

Too much protein can make your kidneys work too hard, especially when the condition develop kidney failure. Eating less protein slows down progressive loss of kidney function and also prevents accumulation of toxic substances in the body. When your kidneys are impaired by enlarged cysts, they are unable to remove protein by-products from the body, which leads to accumulation of toxic substances. Examples of protein-rich foods include meat, fish, eggs, chicken, turkey, milk, yogurt, cheese and cream.

Low-sodium diet

When kidney cysts disrupt function of removing excess fluid from the body, fluid builds up in the body, leading to high blood pressure and swelling. Sodium is an essential mineral that helps maintain fluid balance by retaining fluid. A low-sodium diet is necessary when kidney cysts cause symptoms of kidney failure. If you eat high-sodium foods when your kidneys are not working properly, your body retains more fluid, which worsens your high blood pressure. You should avoid high sodium foods such as canned foods, table salt, seafood and cured meat.

Low-fat and high-fiber diet

Keeping your body healthy helps prevent complications of polycystic kidney disease. You should eat a low-fat and high-fiber diet to help lower high blood pressure, which can damage your kidneys. Your diet should contain plenty of fruits, vegetables and whole grains. If you are overweight, you should lose weight because excess weight can cause high blood pressure.

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