Arachnoid cysts are fluid-filled sacs in the brain or spinal cord. They can be present before birth or result from a head injury. They typically do not cause symptoms or require treatment. Many cysts ...

The overall risk of malignancy in pancreatic cysts may be as low as 0.5 to 1.5%, and the annual risk of progression is 0.5%. 7,15 Conversely, studies estimate that 15% of all pancreatic ...

What Is a Dentigerous Cyst? A dentigerous cyst, also called a follicular cyst, is the second most common type of jaw (odontogenic) cyst. It's a fluid-filled sac that develops in your jawbone over a ...

Surgical removal of an ovarian cyst may be necessary if a cyst is large, grows, or appears unusual in ultrasounds. Depending on the size and location, your surgeon may remove the cyst or an ovary.