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Journal of Medical Case Reports

, 5:125

First Online: 30 March 2011Received: 03 August 2010Accepted: 30 March 2011DOI: 10.1186-1752-1947-5-125

Cite this article as: Kraniotis, P., Marangos, M., Lekkou, A. et al. J Med Case Reports 2011 5: 125. doi:10.1186-1752-1947-5-125


IntroductionMyositis 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 presentationWe 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.

ConclusionBrucellosis 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.

Electronic supplementary materialThe online version of this article doi:10.1186-1752-1947-5-125 contains supplementary material, which is available to authorized users.

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Autor: Pantelis Kraniotis - Markos Marangos - Alexandra Lekkou - Odysseas Romanos - Ekaterini Solomou


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