Kidney Cyst

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Patient Story

kidney disease patient

Kidney Cyst

  • Basics
  • Symptoms
  • Treatment
  • Diet﹠Fitness
kidney cyst basics

A cyst refers to a closed pouch or sac filled with air or liquid. One or more may form within the kidneys. As people get older, cysts can form on the surface or in the nephrons of the kidneys. They can range in size from a small pea to as large as a grapefruit. Cysts can also grow over time. Any question about your disease? Feel free to Contact Us.


Toxins. The toxins may cause damage to a variety of cells and organs, thus inducing disease. In serious conditions, the disease may be life-threatening.

Congenital dysplasia. Kidney Cysts may present at people's birth. Congenital dysplasia can cause Medullary Sponge Kidney, PKD, etc. Normally, there is no abnormalities of the genes.

Bad dietary habit. Unhealthy dietary habit may cause many diseases including Kidney Cyst.

Exams and Tests

• Imaging tests.

These tests can be used to investigate simple renal cysts as well as help doctors determine whether a kidney mass is a cyst or a tumor. They include:

Ultrasound of the kidneys. A transducer, wand-like device, is placed on the body. It can emit inaudible sound waves that are reflected back to the transducer - like sonar. A computer translates the reflected sound waves into images of the kidneys. The images allow the doctors to see the size and number of cysts.

CT scan. It is a diagnostic procedure that uses special X-ray equipment to create cross-sectional pictures of the body. The images are produces using X-ray technology and powerful computers. As people lie still on a table, the table slowly passes through the center of a large X-ray machine. This test is painless.

MRI. During the procedure, people lie inside a large cylinder, magnetic fields and radio waves generates cross-sectional views of the kidneys.

• Kidney function tests

A sample of the blood is tested to detect whether a kidney cysts is damaging patient's kidney function.


Generally, renal cysts are not harmful unless they cause extreme pain or grow to an unusually large size and pressing against other organs or nerves. Conventionally, doctors take a "wait and see" approach to treatment.

Simple kidney cysts progress slowly and the outlook is good. Individuals with no overt symptoms do not need to take medications or receive surgery. The disease may not affect patients' daily life. They only need to have B ultrasound examination once half a year or once a year.

Cases that need to get treatment are:

1. Pain in the back or abdomen or with high level of mental stress;

2. The size of cyst is greater than 4cm, or it obviously increases recently;

3. The cyst suppresses other organs, or with symptoms like hydronephrosis, infection, rupture, etc;

4. Be suspicious of canceration.

If you would like to get more information or have any problem in managing your Kidney Cyst, feel free to chat with our online doctor!

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