Psoas Abscess


History and Epidemiology


Anatomy


Pathogenesis


Etiology

Hematogenous/Lymphatic Spread to Psoas Muscle (Primary)

Contiguous Spread to Psoas Muscle (Secondary)


Microbiologic Etiology

Primary-Hematogenous/Lymphatic Spread to Psoas Muscle (usually monomicrobial)

Secondary-Contiguous Spread to Psoas Muscle (monomicrobial or polymicrobial)


Diagnosis

Blood Specimen

Abscess Specimen

Imaging


Clinical

Time Course of Clinical Symptoms

Classical Triad of Symptoms/Signs

Typical Symptoms/Signs

Complications


Treatment


Prognosis


References