Perinephric Abscess

Etiology

  • Typically GNRs, from ascending urinary tract infxn
  • Sometimes obstruction/anatomic predisposition
  • Less common from hematogenous spread (e.g. Staph bacteremia)

Symptoms

  • F
  • C
  • N
  • V
  • Dysuria
  • Acute low back/flank pain
  • Urinary frequency/urgency if concomitant cystitis

Physical Exam Findings

  • F
  • Cvat
  • Flank pain on palpation