All You Need to Know about Cortical Cyst

The cortical cyst refers to a very common type of kidney cyst. Because it is located at the renal cortex, it is called the cortical cyst. It is a fluid-filled sac growing in the outer area of the kidneys. You might have one, or you might have several, and they can affect just one or both kidneys.

Causes and Symptoms of Cortical Cyst

Understanding the causes and symptoms can help you when it comes to treatment. Here are the basics of what you need to know:


No one knows for sure what causes it. It might be caused by infections, injuries or genetic issues. Scientists do know that they occur more often in men than in women, and the older you get, the better your chances are for developing them.


Very small cysts might cause no problems at all, and you might not know you have the cyst until it is found in a routine examination for other issues. As the cyst grows larger, you might start to feel pain or pressure in your back or sides, which often radiates downward. The pain is usually dull, not sharp. When it becomes big enough, you might be able to feel it when you press down on your abdomen. You might notice blood or bubbles in your urine. You might also begin to experience problems with high blood pressure.

Treatments for Cortical Cyst

Fortunately, there are many ways to treat these cysts. Some might be effective on their own, while others might need to be combined with other treatments in order to obtain the best outcome.

1. Natural Remedies

These common natural remedies have been shown to work; however, they do take longer than other interventions do.

2. Medical Treatments

There are many medical treatments that can help you deal with a cortical cyst.

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