Psoas abscess
From IDWiki
Background
Microbiology
- Most commonly caused by Staphylococcus aureus
- Tuberculosis is a rare cause, as are fungi
Pathophysiology
- May be primary, from hematogenous or lymphatic spread, or secondary, from direct spread from an adjacent infection (hip, GI tract, spine, aorta, GU tract)
Clinical Manifestations
- May present with pain or mass effect
Management
- Empiric antibiotics to cover MSSA or MRSA and GI flora, tailored based on culture results
- Drainage
- Duration of 3 to 6 weeks after drainage likely reasonable
