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 ...

Those who have a habit of biting their lips may find that a small bluish bump has developed inside their mouth. It might disappear on its own or it might linger. Dr. Zaineb Hassan Makhzoumi, an ...

Ovarian cysts are sacs or pockets of fluid that form on the ovaries. There are two types of cysts: simple and complex. These are fluid-filled cysts that have no solid features. They are often either a ...

A dermoid cyst is a saclike growth that is present at birth. It contains structures such as hair, fluid, teeth, or skin glands that can be found on or in the skin. Dermoid cysts grow slowly and are ...

Think of ovarian cysts as the pimples of the reproductive system: mostly benign, sometimes painful, and annoying AF. Usually, your ovaries (those reproductive organs where eggs are produced) chug ...

Vaginal cysts are closed pockets of air, fluid, or pus on or under the vaginal lining. These can be caused by injury during childbirth, fluid buildup in your glands, or noncancerous tumors within the ...

Hand tumors or masses are common. The majority of hand tumors are benign, meaning they are not cancer. When malignant, or cancerous, most of these tumors are types of skin cancer. Cancers within ...

Radicular cysts may account for up to as many as 70% of all cystic jawbone lesions. These cysts are thought to be the end results of epithelial cell rests proliferating during inflammation of teeth ...

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 ...

A kidney cyst is a swollen, round, fluid-filled sac that develops on one or both of the kidneys. These cysts can be associated with serious conditions that affect the kidney’s ability to function, but ...