A renal cyst is a liquid-filled hollow space of the kidney.
The development of renal cysts has not yet been fully explained. I is no genetic hereditary disease. However, certain developmental anomalies might be present, who on their side are inheritable and could thereby contribute to the formation of renal cysts. The rarely appear befor 50 years of age and frequently develop in the context of other diseases, such as
In most cases, renal cysts remain unnoticed and are discovered during an examination by chance. However, they can cause pressure pain and the coherent lower abdominal pain, or result in urinary stasis by blocking the renal pelvis or the ureteropelvic junction. They might also lead to inflammations or renal hypertension.