Kidney Cyst: Symptoms, Causes, Treatment and More

overview A kidney vesicle is a fluid-filled sauk that grows in your kidneys, which are the bean-shaped organs that filter wastes out of your bloodstream to produce urine. You might have a individual vesicle on one kidney or many cysts on both kidneys. There are two types of cysts : simple cysts and polycystic kidney disease. simpleton cysts are individual cysts that form on the kidneys. They have thin walls and contain a water-like fluid. simple cysts don ’ t damage the kidneys or affect their function. Polycystic kidney disease ( PKD ) is an familial condition that causes many cysts to form on the kidneys. These cysts can damage the kidneys as they grow.

Cysts are normally harmless. Because they often don ’ deoxythymidine monophosphate cause symptoms, you might not even realize you have them until you get an imaging scan for another reason.

Kidney cyst sizes and what they mean

Some cysts are so little that you can ’ thyroxine see them without a microscope. Others can grow to be arsenic large as a tennis ball. As they get larger, cysts can press on nearby organs and induce trouble .


A simple vesicle may not cause any symptoms. however, if the cyst grows large or becomes infected, it may cause symptoms such as :

  • fever
  • pain in your back or side between your ribs and pelvis (the pain is usually dull, but it can become severe if the cyst bursts)
  • pain in your upper abdomen
  • swelling of the abdomen
  • urinating more often than usual
  • blood in your urine
  • dark urine

PKD can cause symptoms and signs such as :

  • pain in your back and side
  • high blood pressure
  • blood in your urine

Causes and risk factors

Doctors don ’ metric ton know precisely what causes simple kidney cysts. They do have a few potential explanations. For exemplar, each kidney has about a million bantam tubules that collect urine. Cysts may start to grow when a tube becomes blocked, swells up, and fills with fluid. Another possibility is that cysts start when pouches called diverticulum form in cut areas of the tubules and occupy with fluid. You ’ re more probable to have kidney cysts as you get older. By historic period 40, approximately 25 percentage of people will have them. By old age 50, about 50 percentage of people will have kidney cysts. man are at greater gamble than women of developing kidney cysts. PKD is an inherit condition, meaning it ’ s caused by changes to genes that are passed down through families.


normally cysts don ’ triiodothyronine cause any problems. however, sometimes they can lead to complications, including :

  • infection in the cyst
  • burst cyst
  • blockage of urine out of the kidney
  • high blood pressure

PKD can damage the kidney over clock. About half of people with this condition will develop kidney failure by age 60.


To diagnose a kidney vesicle, you might see a specialist called a urologist. Your doctor may take a blood or urine sample distribution to see how well your kidneys are working. You might besides need one of these imaging tests :

  • computed tomography (CT) scan, which uses powerful X-rays to create 3D images of your kidneys
  • magnetic resonance imaging (MRI), which uses magnets and radio waves to take pictures of your kidneys
  • ultrasound, which uses sound waves to create pictures of your kidneys and can show if a cyst has grown bigger

If the vesicle is small and doesn ’ t lawsuit any problems with your kidneys, you might not need to treat it. You may merely have imaging tests done every 6 to 12 months to make indisputable the cyst hasn ’ t grow. For larger cysts or ones that cause symptoms, treatments include sclerotherapy and operating room .


Sclerotherapy is done to drain the cyst. You ’ ll first gear get a local anesthetic so you won ’ t feel any pain. Using ultrasound as a usher, your sophisticate will place a thin needle into the vesicle through your skin and drain all the fluent from the vesicle. sometimes, the sophisticate fills the cyst with an alcohol solution subsequently to prevent it from growing again. You ’ ll probable go home on the same sidereal day as the routine .


A larger vesicle that affects your kidney function may need to be removed with operation. You ’ ll be asleep under general anesthesia during the operation. Surgeons frequently remove cysts laparoscopically through several little incisions. This means they perform the surgery using a camera and bantam instruments. First, the surgeon will drain the cyst. then they ’ ll cut or burn the walls of the vesicle. You ’ ll need to stay in the hospital for a day or two after your procedure.


Most simple kidney cysts are harmless and don ’ metric ton causal agent problems. If a cyst grows, sclerotherapy or operation can remove it without any long-run complications. Polycystic kidney disease can be more unplayful. Without treatment, PKD can cause complications such as high lineage pressure and kidney failure .

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