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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]
A carbuncle is a cluster of boils caused by bacterial infection, most commonly with Staphylococcus aureus or Streptococcus pyogenes. [1] The presence of a carbuncle is a sign that the immune system is active and fighting the infection. [2]
Carbuncles and boils are types of abscess that often involve hair follicles, with carbuncles being larger. [9] 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 ...
Pyoderma means any skin disease that is pyogenic (has pus). These include superficial bacterial infections such as impetigo, impetigo contagiosa, ecthyma, folliculitis, Bockhart's impetigo, furuncle, carbuncle, tropical ulcer, etc. [1] [2] Autoimmune conditions include pyoderma gangrenosum.
680 Carbuncle and furuncle. 680.0 Boil, face; 680.1 Boil, neck; 680.2 Boil, trunk; 680.5 Boil, buttock; 681 Cellulitis and abscess of finger and toe. 681.0 Cellulitis and abscess of finger. 681.01 Felon; 681.02 Paronychia, finger; 681.1 Cellulitis and abscess of toe. 681.11 Paronychia, toe; 681.9 Cellulitis/abscess, unspec. digit; 682 Other ...
A dental abscess is a localized collection of pus associated with a tooth. The most common type of dental abscess is a periapical abscess, and the second most common is a periodontal abscess. In a periapical abscess, usually the origin is a bacterial infection that has accumulated in the soft, often dead, pulp of the tooth.
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.
CT with IV contrast showing enlargement and heterogeneous hypodensity in the right pectoralis major muscle. A focal abscess collection with gas within it is present medially. There are enlarged axillary lymph nodes and some extension into the right hemithorax. Note the soft tissue and phlegmon surrounding the right internal mammary artery and vein.