The following is an excerpt....
BASICS
Description
A localized collection cavity of necrotic lung tissue and pus resulting from pyogenic bacteria (1):
- Presentation may be acute or chronic (symptoms for >4 weeks).
- Usual course is subacute progression of symptoms.
- Synonym(s): Pulmonary abscess
Epidemiology
Incidence
- Predominant age: Mainly 4th–6th decades
- Predominant sex: Male > Female (4:1)
Prevalence
Unknown; relatively rare since advent of antibiotics (2)
ALERT:
Pediatric Considerations
- Staphylococcus most common organism in children
Risk Factors