Kidney Bilateral Renal Cysts. You might have a single cyst on one. A kidney cyst that obstructs the normal flow of urine may lead to swelling of the kidney hydronephrosis.
Renal cysts are usually circular filled with clear fluid and have no connection to the pyelocalyceal system. This can be due to disease processes such as polycystic kidney disease although no cause for the formation of these cysts is found in some patients. Kidney cysts are round fluid filled sacs that form in the kidneys.
Renal cysts become bilateral when they are present in both kidneys.
Renal cysts become bilateral when they are present in both kidneys. One or more may form within the kidneys simple cysts are the most common. Also known as percutaneous alcohol ablation sclerotherapy involves the insertion of a long needle through the skin and into the cyst under ultrasound guidance. If there are a number of them in both kidneys they become known as multiple bilateral cysts.