What Is a Cold Abscess?

A doctor may order a CT scan to verify that a cold abscess is not a tumor.
Surgery may be required to treat a cold abscess.
Article Details
  • Written By: Adrien-Luc Sanders
  • Edited By: Michelle Arevalo
  • Last Modified Date: 28 July 2014
  • Copyright Protected:
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    Conjecture Corporation
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A cold abscess is a specific type of abscess that forms without the heat or inflammation characteristically associated with standard abscesses. One usually forms gradually over time, which results in less irritation or inflammation. Pain generally only occurs when pressure is applied. These swellings can be chronic, persisting after initial growth with no sign of either healing or worsening. Abscesses are caused by infection at the site of the swelling, and cold abscesses are usually associated with tuberculosis bacterial infections.

When a cold abscess forms, the infected area fills with pus which can harden over time. Abscesses can range in size, from the size of a pimple to a baseball or larger. In tuberculosis patients they can form in multiple areas, but are most common in the spinal region, the pelvic area, the groin, or the lymph nodes. One common site of cold abscesses is the psoas muscles, in which case the abscess is known as a psoas abscess.

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An abscess can be identified by physical examination. In the case of a cold abscess, a medical professional may use an MRI, CT scan, or other type of scan to verify that the abscess is not some other form of non-inflammatory swelling, like a tumor. In some cases, a cold abscess can form without a tuberculosis infection, such as when skin abscesses form as a result of a staph infection. Persistent cold abscesses from staph infections are known as MRSA abscesses. Cold abscesses can also form in the psoas region in patients with inflammatory bowel disease, or in patients suffering from specific types of gunshot wounds.

In the case of tuberculosis, a cold abscess may be accompanied by damage to bones at the infected site. Depending on the size and location of the abscess, the nearby organs may also suffer compression as the abscess expands and presses against them. If it continues to grow without drainage, the bones and organs may suffer permanent damage from compression or spreading infection.

While some abscesses swell and fade on their own, the majority of cold abscesses require drainage via percutaneous catheter or surgical methods, such as drainage incisions. Small abscesses may be treated without surgery or other invasive methods. Hot and cold compress treatments can encourage the abscess to dissolve or drain. Absorption techniques can also work to reduce swelling and drain pus, but may not be as successful. Antibiotic treatments after drainage can reduce the risk of repeated infection.

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Discuss this Article

anon316587
Post 3

My husband has a mass on his jaw. He has taken several rounds of antibiotics and they haven't made any difference. He has also had a needle biopsy and it was non diagnostic. What could this be?

ShellM89
Post 2

@jonpurdin - Generally a cold abscess is associated with tuberculosis. My advice would be to have a doctor or some other medical professional look at it.

While it doesn't seem to be bothering you now, it is a good idea to know what it is and how best to treat it. You never know if it could develop into something worse.

jonpurdin
Post 1

Can you have a cold abscess and not have tuberculosis? I am not trying to be disgusting, but there is a small hole on the back of my calf that fills with pus, that I empty out every once in awhile. It isn’t red or sore or anything. Would this be considered a cold abscess?

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