Types of Skin Cysts

A Baker’s cyst can also be brought on by a sports-related injury or blow to the knee. Gout is another common cause. That’s a type of arthritis that results from the build-up of uric acid -- a waste product -- in the blood.

A breast cyst usually feels like a grape or a water-filled balloon, but sometimes a breast cyst feels firm. Breast cysts don't require treatment unless a cyst is large and painful or uncomfortable. In that case, draining the fluid from a breast cyst can ease symptoms.

Learn about chalazion treatment (antibiotics, surgery), removal, symptoms, causes, and tests. Chalazions (meibomian cysts) are swellings that form on the eyelid due to a blocked gland. Chalazions (meibomian cysts) are swellings that form on the eyelid due to a blocked gland.

Cystic acne happens when this infection goes deep into your skin, creating a red, tender bump that's full of pus. It may hurt or itch. If a cyst bursts, the infection can spread, causing more breakouts.

Skin cysts don’t need treatment most of the time. They’re usually painless and nothing to worry about, unless they get sore or infected. But if you have a cyst that bothers you or is embarrassing, you should discuss it with your doctor.

A synovial cyst of the spine is a fluid-filled sac that develops along the spine. It’s the result of degeneration of a facet joint of the vertebrae of the spine. Most synovial cysts develop in the portion of the lower spine called the lumbar spine. These cysts are uncommon and often don’t produce symptoms. The cysts aren’t deadly or cancerous.

An ingrown hair cyst is comparatively smaller – a smaller bump – compared to the large cysts that develop on the skin. Cysts can grow large on the skin and form visible fluid-filled pockets that can easily get infected.

Dermoid Cyst Overview. 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 not tender unless ruptured.

Sebaceous cysts form out of your sebaceous gland. The sebaceous gland produces the oil (called sebum) that coats your hair and skin. Cysts can develop if the gland or its duct (the passage from which the oil is able to leave) becomes damaged or blocked. This usually occurs due to a trauma to the area.