Abscess, Psoas

Adriane E. Bell, MD Reviewed 06/2017
 


BASICS

Rare purulent collections in the iliopsoas compartment associated with high morbidity and mortality if not promptly diagnosed and treated 

DESCRIPTION

  • The iliopsoas compartment is a retroperitone...

DIAGNOSIS

Diagnosis can be difficult, requiring a careful history, physical examination, and appropriate imaging. 
  • CT scan is the preferred imaging modality; definitive diagnosis through image-guided d...

TREATMENT

  • Most cases require percutaneous (PCD) or open surgical drainage with parenteral antibiotic treatment (16–20% success rate with antibiotics alone) (10)[B].

  • CT-guided PCD is the initial procedu...

ONGOING CARE

Following drainage, pigtail catheter placement permits continued decompression of the abscess cavity and monitoring of purulent output. 

FOLLOWUP RECOMMENDATIONS

Tailor duration of antibiot...

REFERENCES

Shields D, Robinson P, Crowley TP. Iliopsoas abscess—a review and update on the literature. Int J Surg.  2012;10(9):466–469. [View Abstract on OvidInsights]
Navarro López V, Ramos JM,...

CODES

ICD10

K68.12 Psoas muscle abscess 

ICD9

567.31 Psoas muscle abscess 

SNOMED

  • 266463007 Iliopsoas abscess (disorder)

  • 235997006 Abscess iliopsoas non-tuberculous (disorder)

PEARLS

  • Psoas abscesses are a rare, retroperitoneal collection of pus resulting from hematogenous, lymphatic, or contiguous spread.

  • Primary and secondary psoas abscesses have different underlying causes...

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