What is a Kidney Cyst?
Renal cysts or kidney cysts are sacs of fluid that form in the kidneys. They are usually characterized as "simple" cysts, meaning they have a thin wall and contain water-like fluid. Since they are asymptomatic, renal cysts are most often found during imaging tests performed for other reasons.
Simple renal cysts are extremely common, and the incidence increases with age. Approximately 25% of people who are 40 years or older and approximately 50% of people who are 50 years and older have simple kidney cysts.
Risk factors are advancing age and male sex. The presence of simple cysts increases after age 40 years. Renal cysts are most often identified at autopsy or incidentally in radiological studies.
Signs and symptoms
A simple cyst is usually asymptomatic. However, if the cyst grows large or becomes infected, it may cause symptoms such as:
- Back pain/upper abdominal pain
- Swelling in the abdomen
- Increased frequency of urination
- Blood in urine
Some renal cysts may appear more complex and have a thicker wall or contain solid material instead of fluid. The physician might perform additional imaging tests to monitor complex renal cysts and distinguish benign cysts from cancer. These investigations may include abdominal or pelvic ultrasound, abdominal and pelvic CT, or body MRI. Renal cysts are usually left alone and do not require treatment unless they are causing symptoms or harming kidney function.
Warning: Above information provided is an overview of the disease, we strongly recommend a doctor's consultation to prevent further advancement of disease and/or development of complications.
Disclaimer: The information provided herein on request, is not to be taken as a replacement for medical advice or diagnosis or treatment of any medical condition. DO NOT SELF MEDICATE. PLEASE CONSULT YOUR PHYSICIAN FOR PROPER DIAGNOSIS AND PRESCRIPTION.
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