Abscess

Definition

An abscess is a confined pocket of pus that collects in tissues, organs, or spaces inside the body, usually caused by a bacterial infection. It forms as a defensive reaction of tissue to prevent the spread of infectious materials to other parts of the body.

5 Must Know Facts For Your Next Test

1. Abscesses can occur in various parts of the body, including the skin and oral cavity.
2. Common symptoms include swelling, redness, pain, and warmth over the affected area.
3. Diagnosis often involves clinical examination and imaging techniques such as ultrasound or CT scan.
4. Treatment typically includes drainage of the abscess and antibiotics to combat the underlying infection.
5. Microorganisms like Staphylococcus aureus are frequently implicated in abscess formation.

Review Questions

• What are common symptoms associated with an abscess?
• Which bacterium is most commonly linked to abscess formation?
• How is an abscess typically treated?

Related terms

Cellulitis:

A bacterial skin infection that appears as a red, swollen area that feels hot and tender.

Furuncle: A painful nodule formed in the skin by inflammation originating in a hair follicle; also known as a boil.

Sepsis:

A life-threatening condition arising when the body's response to infection causes injury to its own tissues and organs.