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Iliopsoas cyst causing persistent pain after total hip arthroplasty
Markus Wuenschel1, Beate Kunze
1Orthopedic Department, University Hospital Tüebingen, Germany.
Orthopedics
|May 24, 2011
Summary
Iliopsoas tendonitis, a rare cause of groin pain after total hip arthroplasty (THA), can be effectively treated by cyst resection. This intervention relieved pain and restored function in a patient experiencing persistent symptoms post-THA.
Area of Science:
- Orthopedic Surgery
- Musculoskeletal Disorders
- Pain Management
Background:
- Persistent pain after total hip arthroplasty (THA) is often attributed to aseptic loosening, infection, or heterotopic ossification.
- Iliopsoas tendonitis, caused by acetabular component irritation, is an underrecognized cause of groin pain and functional limitation following THA.
Observation:
- A 50-year-old male patient developed groin pain radiating ventromedially after a symptom-free interval post-THA.
- Magnetic resonance imaging revealed a fluid-filled cyst near the femoral nerve, causing iliopsoas tendonitis.
Findings:
- Surgical resection of the cyst via an anterior approach successfully treated the iliopsoas tendonitis.
- The patient experienced complete pain relief and functional recovery, with no issues reported at 17-month follow-up.
Implications:
- This case highlights the importance of considering iliopsoas tendonitis as a differential diagnosis for persistent groin pain after THA.
- Accurate diagnosis and targeted surgical intervention, such as cyst resection, can lead to excellent outcomes in select cases.
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