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  2. Abscess - Wikipedia

    en.wikipedia.org/wiki/Abscess

    A cyst is related to an abscess, but it contains a material other than pus, and a cyst has a clearly defined wall. Abscesses can also form internally on internal organs and after surgery. They are usually caused by a bacterial infection. [8] Often many different types of bacteria are involved in a single infection. [6]

  3. Incision and drainage - Wikipedia

    en.wikipedia.org/wiki/Incision_and_drainage

    Incision and drainage (I&D), also known as clinical lancing, are minor surgical procedures to release pus or pressure built up under the skin, such as from an abscess, boil, or infected paranasal sinus.

  4. Boil - Wikipedia

    en.wikipedia.org/wiki/Boil

    A boil, also called a furuncle, is a deep folliculitis, which is an infection of the hair follicle. It is most commonly caused by infection by the bacterium Staphylococcus aureus, resulting in a painful swollen area on the skin caused by an accumulation of pus and dead tissue. [1] Boils are therefore basically pus-filled nodules. [2]

  5. Sebaceous cyst - Wikipedia

    en.wikipedia.org/wiki/Sebaceous_cyst

    An infected cyst may require oral antibiotics or other treatment before or after excision. If pus has already formed, then incision and drainage should be done along with avulsion of the cyst wall with proper antibiotics coverage. An approach involving incision, rather than excision, has also been proposed. [11]

  6. Pus - Wikipedia

    en.wikipedia.org/wiki/Pus

    Pus is an exudate, typically white-yellow, yellow, or yellow-brown, formed at the site of inflammation during infections, regardless of cause. [ 1 ] [ 2 ] An accumulation of pus in an enclosed tissue space is known as an abscess , whereas a visible collection of pus within or beneath the epidermis is known as a pustule , pimple or spot.

  7. Cyst - Wikipedia

    en.wikipedia.org/wiki/Cyst

    A cyst / s ɪ s t / is a closed sac, having a distinct envelope and division compared with the nearby tissue.Hence, it is a cluster of cells that have grouped together to form a sac (like the manner in which water molecules group together to form a bubble); however, the distinguishing aspect of a cyst is that the cells forming the "shell" of such a sac are distinctly abnormal (in both ...

  8. Carbuncle - Wikipedia

    en.wikipedia.org/wiki/Carbuncle

    Later, skin on the centre of the carbuncle softens and peripheral satellite vesicles appear; these rupture, discharging pus, and give rise to cribriform appearance. [3] [6] As the impending infection develops, itching may occur. There may be localized erythema or skin irritation, and the area may be painful when touched.

  9. Epidermoid cyst - Wikipedia

    en.wikipedia.org/wiki/Epidermoid_cyst

    Relative incidence of cutaneous cysts, where epidermoid cysts constitute a plurality (blue area). An epidermoid cyst or epidermal inclusion cyst [1] is a benign cyst usually found on the skin. The cyst develops out of ectodermal tissue. Histologically, it is made of a thin layer of squamous epithelium.