Arachnoid cysts are the most common type of brain cyst. They're not tumors, but cysts filled with cerebrospinal fluid (a clear liquid that surrounds your brain and spinal cord). Most people who have ...

Ovarian cysts can be simple or complex. Complex ovarian cysts are those that contain either blood or a solid substance. They are more likely to require treatment. Simple cysts are relatively common ...

So you’ve been treated for an ovarian cyst in the past, but do you know which kind? Your women’s health specialist wants to know. The difference could have a significant impact on your health and ...