Kidney Cysts: What to Do When Diagnosed - Internal Medicine

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Renal cysts


Hello Doctor, I am asking on behalf of my mother.
She has been experiencing hematuria and visited a clinic where the doctor prescribed anti-inflammatory medication.
However, after a week of taking the medication, there was no improvement.
The doctor recommended that she go to a larger hospital for further evaluation.
Blood and urine tests were conducted, revealing bladder inflammation but no kidney inflammation.
A renal ultrasound was also arranged, which indicated the presence of a cyst that is quite large.
A CT scan is scheduled for Wednesday.
What should we do, Doctor? The whole family is very worried.

Miss Hong, 40~49 year old female. Ask Date: 2017/03/27

Dr. Wang Weijie reply Internal Medicine


Hello, renal cysts, commonly known as water bubbles or fluid tumors, are fluid-filled sacs that occur in the kidneys.
Renal cysts can be classified into many types; some are hereditary while others are not.
Some remain benign and do not affect the body.
If you have any concerns, it is advisable to continue with follow-up examinations at the outpatient clinic.
Wishing you peace and good health.
Sincerely, Dr.
Wang Wei-Jie, Attending Physician, Department of Nephrology, Taoyuan General Hospital, Ministry of Health and Welfare.

Reply Date: 2017/03/27

More Info


When a kidney cyst is diagnosed, especially in the context of symptoms like hematuria (blood in urine), it is understandable for family members to feel concerned. Here’s a comprehensive overview of what to do when faced with a diagnosis of kidney cysts, along with some medical insights.


Understanding Kidney Cysts
Kidney cysts are fluid-filled sacs that can form on the kidneys. They are quite common and can be classified into different types based on their characteristics observed through imaging studies. The most common types include simple cysts, which are typically benign and require no treatment, and complex cysts, which may require further evaluation due to the potential for malignancy.


Next Steps After Diagnosis
1. Follow-Up Imaging: Since your mother has been advised to undergo a CT scan, it is crucial to proceed with this test. A CT scan provides detailed images of the kidneys and can help determine the nature of the cyst. It can differentiate between simple and complex cysts, which is essential for deciding the next steps in management.

2. Consultation with Specialists: Depending on the findings from the CT scan, your mother may need to see a urologist or a nephrologist. A urologist specializes in urinary tract issues, including kidney cysts, while a nephrologist focuses on kidney function and diseases. Both specialists can provide valuable insights based on the imaging results.

3. Monitoring and Management: If the cyst is determined to be a simple cyst, it may not require any treatment other than regular monitoring. For complex cysts, further evaluation may be necessary, which could include additional imaging or even a biopsy in rare cases.

4. Understanding Symptoms: It’s important to monitor for any new symptoms, such as increased pain, changes in urination, or any signs of infection. If your mother experiences any of these, she should seek medical attention promptly.


Addressing Family Concerns
It’s natural for family members to feel anxious when a loved one is diagnosed with a health issue. Here are some ways to manage these concerns:
- Educate Yourself: Understanding kidney cysts and their implications can help alleviate fears. Most kidney cysts are benign, and the risk of cancer is low, especially for simple cysts.

- Open Communication: Encourage your mother to discuss her feelings and concerns with her healthcare provider. This can help clarify any uncertainties and provide reassurance.

- Support System: Being there for your mother emotionally and physically during her medical appointments can help her feel more secure.


Risk of Malignancy
Regarding the risk of a kidney cyst becoming malignant, it largely depends on the type of cyst. Simple cysts have a very low risk of cancer, while complex cysts may have a higher risk, depending on their characteristics. The Bosniak classification system is often used to categorize cysts based on imaging findings, which helps in assessing the risk of malignancy.


Conclusion
In summary, if your mother has been diagnosed with kidney cysts, the most important steps are to follow through with the recommended imaging studies, consult with the appropriate specialists, and maintain open communication about her health. While it’s normal to feel worried, most kidney cysts are benign and manageable. Regular monitoring and appropriate medical care can help ensure her health and well-being. If you have further questions or concerns, do not hesitate to reach out to her healthcare provider for personalized advice and support.

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