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Carbuncle

 

Carbuncle

Carbuncle
Carbuncle on buttock of a diabetic person
Classification and external resources
Pronunciation or
Specialty Dermatology
ICD-10 L02
ICD-9-CM 680.9
DiseasesDB 29434
MedlinePlus 000825
MeSH D002270

A carbuncle is a cluster of boils, draining pus onto the skin. It is usually caused by bacterial infection, most commonly with Staphylococcus aureus or Streptococcus pyogenes, which can turn lethal. However, the presence of a carbuncle is actually a sign that the immune system is working.[1] The infection is contagious and may spread to other areas of the body, or other people; those living in the same residence may develop carbuncles at the same time.

Contents

  • Signs and symptoms 1
  • Causes 2
  • Society and culture 3
    • Etymology 3.1
    • Monstrous carbuncle 3.2
  • References 4

Signs and symptoms

A carbuncle is made up of several skin boils. The infected mass is filled with fluid, pus and dead tissue. Fluid may drain out of the carbuncle, but sometimes the mass is so deep that it cannot drain on its own. Carbuncles may develop anywhere, but they are most common on the back and the nape of the neck.

The carbuncle may be the size of a pea or as large as a golf ball. It may be red and irritated, and might hurt when touched. It may also grow very fast and have a white or yellow center. It may crust or spread to other skin areas. Sometimes other symptoms may occur, such as fatigue, fever and a general discomfort or sick feeling. Itching may occur before the carbuncle develops.

Causes

The initial cause of a carbuncle can often not be determined. Triggers that make carbuncle infections more likely include rashes such as folliculitis; friction from clothing or shaving; having hair pulled out, such as sites where clothing or furniture grab at hairs; generally poor hygiene; poor nutrition; or weakening of immunity. Poor nutrition may be an important factor – for example, persons with diabetes and immune system diseases are more likely to develop infections (especially bacterial infections of the leg or foot).

Society and culture

Etymology

The word is believed to have originated from the Latin: carbunculus, originally a small coal; diminutive of carbon-, carbo: charcoal or ember, but also a carbuncle stone, "precious stones of a red or fiery colour", usually garnets.[2]

Monstrous carbuncle

In 1984 Charles, Prince of Wales famously described the proposed Sainsbury Wing extension to the National Gallery in London as a "monstrous carbuncle on the face of a much-loved and elegant friend",[3] a term now widely used to describe architecture, particularly modernist architecture, unsympathetic to its surroundings.[4][5]

References

  1. ^ "Carbuncle – PubMed Health". National Institute of Health. 2007-04-12. Retrieved 2011-05-10. 
  2. ^ OED, "Carbuncle": 1) stone, 3) medical
  3. ^ "A speech by HRH The Prince of Wales at the 150th anniversary of the Royal Institute of British Architects (RIBA), Royal Gala Evening at Hampton Court Palace". Retrieved 2007-06-16. 
  4. ^ "Prince's new architecture blast". BBC News. 2005-02-21. Retrieved 2007-06-16. 
  5. ^ "'"No cash for 'highest slum. BBC News. 2001-02-09. Retrieved 2007-06-16. 
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