Cysts are sacs or capsules that form in the skin or inside the body. They may contain fluid or semisolid material. Although cysts can appear anywhere in the body, most frequently they live in the skin, ovaries, breasts or kidneys.
Background: Lumps arising in the head and neck constitute an important diagnostic category in children. As malignancy in this age group is relatively rare, lumps that are not due to inflammatory or infective causes often prove to be cysts. Correct diagnoses of the different subcutaneous lumps are often missed because of the lack of recognition or uncertainty with management.
An epidermoid cyst is the most common type of skin cyst. These types of cysts can occur anywhere on the body but tend to occur more frequently on the face or upper trunk. Other names for an epidermoid cyst include epidermal cyst, infundibular cyst, epidermal inclusion cyst, keratin cyst, and sebaceous cyst.
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Epidermoid ep-ih-DUR-moid cysts are noncancerous small bumps beneath the skin. They can appear anywhere on the skin, but are most common on the face, neck and trunk. Epidermoid cysts are slow growing and often painless, so they rarely cause problems or need treatment.
By Everyday Health Editors. Cysts are fluid-filled sacs that can develop just about anywhere on the body, but not every skin bump or lump is a cyst. Find out how to tell the difference, and how to get treatment for cysts, lumps, or bumps that are bothering you.
A cyst usually is a slow-growing lump that can move easily under the skin. These cysts are closed sacs that can be found under the skin of the entire body except the palms of the hands and soles of the feet. A foul odor may be noticed from the overlying skin.
Epidermoid and pilar cysts are commonly referred to as 'sebaceous cysts' pronounced 'seb-ay-shuss'. They are overgrowths of skin cells called keratin held together in a little capsule, or sac. They are harmless smooth lumps just under the surface of the skin. They are not cancerous and do not require removal unless they are bothering you by the look or the feel of them.
Back to Health A to Z. A skin cyst is a fluid-filled lump just underneath the skin. It's common and harmless, and may disappear without treatment.