Kidney Cysts And Treatment Methods

What is Kidney Cyst?

The presence of a solid (non-cystic) mass in the kidney should be considered as cancer until proven otherwise. They are often detected by chance in the kidney. Their size can range from a few cm to 20-30 cm.

There are 2 cysts with a diameter of 1 cm in the kidney.

What are the symptoms of kidney cysts?

It may not give any symptoms. Most cysts are found by chance. In some patients, the mass on the side can sometimes be pain. If the infection occurs, it may cause fever and excessive pain.

Can Kidney Cysts Become Cancer?

Not cancerous. However, some cysts are considered cancerous due to their features at the time of diagnosis. We call these complicated cysts.

Classification of Kidney Cysts (Bosniak)



Cysts 1 and 2 are benign. In cyst 3, the cyst wall is thickened and there are bands inside. This cyst is a tumor with a 50% probability. Cyst number 4 contains rigid structures, tumor is accepted for certain.

How Is Kidney Cysts Diagnosed?

Ultrasonography is sufficient in most patients. In suspicious cases, it is understood whether the cyst is benign or malignant by performing tomography or MR.

On ultrasound, it looks black and round.

A cyst of approximately 5 cm in diameter in the right kidney on tomography.

Should Every Kidney Cyst Be Treated?

There is no need to treat cysts that do not pressurize the urinary tract without the potential for cancer to complain.

What methods are available for the treatment of kidney cysts?

There is no need to treat cysts that do not pressurize the urinary tract without the potential for cancer to complain.

Needle Discharge: It is performed under local anesthesia under ultrasound. The procedure is 15 min. Takes. The cyst fluid is drained and the cyst is dried by giving special substances into the cyst. The cyst size shrinks at least 50%.


A-D : The fluid is discharged by entering into the cyst accompanied by ultrasound and a shrinking drug is given into the cyst to shrink.

Laparoscopic Surgery: The entire cyst is removed with the dice around it. There is no possibility of repetition. It offers pathological diagnosis and patients can be discharged the next day.



In laparoscopic cyst surgery, the entire cyst is removed with closed surgery with its wall.

Open Surgery: In cancer cysts, it is removed together with the healthy kidney tissue around the cyst. The disadvantage is that there is a surgical incision. Patients can stay in the hospital for 2-3 days and the pain may be more.

How Should Follow-Up Be In Kidney Cysts?

If there is no complaint and the patient is comfortable, 1 or 2 years of follow-up is sufficient.

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