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01.12.2011 | Case report | Ausgabe 1/2011 Open Access

Journal of Medical Case Reports 1/2011

Brucellosis presenting as piriformis myositis: a case report

Zeitschrift:
Journal of Medical Case Reports > Ausgabe 1/2011
Autoren:
Pantelis Kraniotis, Markos Marangos, Alexandra Lekkou, Odysseas Romanos, Ekaterini Solomou
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1752-1947-5-125) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interests.

Authors' contributions

PK contributed to the conception and design of the manuscript, manuscript preparation and review, literature research and reviewed medical imaging. MM contributed to the conception and design of the manuscript, helped draft part of the manuscript and review of the manuscript. AL helped draft part of the manuscript and review of the manuscript. OR helped with the manuscript review and literature research. ES reviewed the medical imaging, supervised and contributed to the manuscript preparation and review. All authors read and approved the final manuscript.

Abstract

Introduction

Myositis is a rare bacterial muscle infection. Involvement of the piriformis muscle has been rarely reported in the literature. In this report we describe a case of piriformis myositis due to Brucella melitensis, which to the best of our knowledge is the first such case presented in the literature.

Case presentation

We report the case of a 19-year-old Caucasian man who presented to our institution with fever and right hip pain. Brucellosis was suspected, but the clinical suspicion was for spondylodiscitis. A pelvic magnetic resonance imaging scan allowed prompt diagnosis of inflammatory involvement of the right piriformis muscle. Blood culture results were positive for B. melitensis. Our patient was treated with antibiotics, and follow-up magnetic resonance imaging scans showed resolution of the inflammation.

Conclusion

Brucellosis can present as piriformis myositis. The clinical diagnosis of piriformis myositis is difficult, as it can mimic other common entities such as referred back pain from spondylodiscitis. Magnetic resonance imaging is the method of choice for establishing the diagnosis in the early stages of the disease, as late diagnosis can lead to abscess formation and the need for drainage.

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