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Updated: Apr 12, 2026

Posterior Approach for Debridement of the Psoas Abscess
Published on: March 2, 2020
Psoas muscle pyogenic abscess in association with infected hip arthroplasty: a rare case of simultaneous bilateral
Andrea Volpin1, Sunil Gurpur Kini2, Antonio Berizzi3
1Department of Orthopaedics, University of Padova, Padova, Italy.
Abstract:
Simultaneous bilateral presentation of psoas abscess with prosthetic joint involvement is extremely rare. A 68-year-old woman presented to us with bilateral dull aching groin pain of 6 months' duration, which flared up in the past month, associated with pyrexial symptoms. She had undergone bilateral hip replacements in the past with uneventful recovery. MRI showed bilateral psoas muscle collection in communication with the hip joints. Preoperative hip aspirate demonstrated frank pus with positivity on Gram stain and radiographs confirmed prosthetic loosening of bilateral hips. The patient subsequently underwent two-stage revision arthroplasty of both infected hip implants. At 5-year follow-up, the patient remains asymptomatic with good functional outcome and no recurrence on serial MRI.
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