Cysts are usually benign growthsthat are filled with liquid or semi-solid substance. They can grow everywherein the human body. Sometimes the cysts may appear beneath the surface of theskin and they can be felt under touch as small bumps not bigger than the size of peas orbeans.
There are many types of cysts, among which are ovarian cysts, cysts of the thyroid gland, sebaceous cysts, lipoma, ganglioncysts, cystic acne and others. The most common types of cyststhat tend to occur under the skin are sebaceous cysts, cystic acne and lipoma.
Causes of cysts under the skin
The main reasons for the appearanceof cysts under the skin is not established yet, although there are several potentialcauses that might be responsible for the incidence of thiscondition. Skin infections and acute skininflammations are believed to be responsible for cysts under the skin. It is also assumed thatcyst under the skin may also be inherited dueto certain genes.
Another name for the sebaceous cystsis epidermoid cysts. The most common places where these cysts appear are upperarms, ears, back and the scalp. Milia are tiny whitish bumps on the skin, whilewen is the lump that appears on the scalp and is filled with a fattysubstance called sebum. Sebaceous glands produce sebum and sometimes they can beblocked because of some factors. The sebaceous cysts are round, soft,smooth and of whitish or yellowish color. When these cyst burst, the sebum issemi-solid and of foul smell. Sebaceous cysts usually disappear aloneafter a couple of days, and they should not be removed until they start to causepain.
Cystic acne is a type of acne that usuallyaffects the teenagers. This type of acne is severe and causes pain. The cysticacne occurs in cases of blocked oil ducts, which causes infection. When the cysticacne appears, it is recommended to completely clean the skin by means ofcertain chemicals, such as benzoyl peroxide and other skin cleansers.
Lipoma, also called lump of fat, isa type of cyst that can also be found beneath the surface of the skin. The lipomasare painless and may even grow to the size of 10 centimeters. However, they arebenign fatty growths and should not cause a great concerns in the person whodevelops them under the skin.