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Pyomyositis of Obturator Muscles: Unusual Late Presentation


Pyomyositis of Obturator Muscles: Unusual Late Presentation


[box type=”bio”] What to Learn from this Article?[/box]

1.Presentation of Pyomyositis of Obturator muscles and how to diagnose it.

2.Management of Obturator Pyomyositis and expected results.

Case Report |  Volume 3 | Issue 3 | JOCR July-Sep 2013 | Page 7-10 | Soraganvi PC, Ramakanth R.

Authors: Soraganvi PC[1], Ramakanth R[1]

[1]PESIMSR , Medical college, Kuppam, Andhra Pradesh, India.

Address of Correspondence:

Dr Prasad Channappa Soraganvi: Medical college, Kuppam, Andhra Pradesh, India. Email:


Introduction: Pyomyositis of obturator muscles is rare condition. Late presentation with deformities of hip misleads the clinician. Late presentation (6 weeks) of this condition has not been reported earlier. This report highlights this unusual presentation of Pyomyositis of the obturator muscles.

Case Report: We are reporting a 14year old female patient presented with limp and pain in hip since 6 weeks. Her hip radiographs were unremarkable. Patient was admitted and MRI done. MRI findings were consistent with obturator pyomyositis. Diagnosis of pyomyositis confirmed by MRI and we performed percutaneous aspiration and drained about 25ml of purulent material mixed with blood. The culture grew Staphylococcus aureus. Patient received intravenous antibiotic for 1week and oral antibiotic for 2weeks. Patient was immobilized in fixed skin traction in Thomas splint for 5days, later gentle mobilization was started. Her condition improved dramatically after aspiration. A follow up MRI done at 3 weeks following aspiration revealed a significant reduction in intramuscular collection of obturator internus and obturator externus. Three weeks following aspiration patient was relieved of the pain and was able to walk normally. At 6 months follow up visit patient was asymptomatic.

 Conclusion: Late presentation of obturator pyomyositis is rare. We emphasise on careful examination and need for early imaging for diagnosis. Percutaneous drainage results in successful treatment.

 Keywords: Pyomyositis, septic arthritis, infection, obturator muscle.


How to Cite This Article: Soraganvi PC, Ramakanth R. Pyomyositis of Obturator Muscles: Unusual Late Presentation. Journal of Orthopaedic Case Reports 2013 July-Sep ;3(3): 7-10. Available from:

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