Knee bursitis: a sonographic evaluation |
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| Authors: | Ferdinando Draghi Riccardo Corti Luigi Urciuoli Francesco Alessandrino Antonio Rotondo |
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| Institution: | .Radiology Institute, Fondazione IRCCS Policlinico San Matteo, University of Pavia, Viale Golgi 19, 27100 Pavia, Italy ;.Institute of Radiology, Second University of Naples, Via Pansini 5, 80131 Naples, Italy |
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| Abstract: | ObjectiveTo evaluate the use of ultrasound for the diagnosis of knee bursitis.Materials and methodsOne-hundred and fifty-eight patients who, from May 2013 to May 2014, had an ultrasound examination of the knee and magnetic resonance imaging (MRI) of the knee during the following month were eligible for the study. The exams were reviewed by two musculoskeletal radiologists with 20 years of experience.ResultsOf these patients, 15 (7 men, 8 women) had bursitis, while 143 (76 men, 67 women) had no bursitis. In evaluating knee bursitis, US, when compared to MRI, correctly identified 13 out of 15 cases of bursitis, showing a sensitivity of 86.67 %, specificity 100 %, and K index of 0.92. Particularly in the suprapatellar bursa, ultrasound showed bursitis in 5 cases versus 7 by MRI (sensitivity of 71.4 %, specificity of 100 %, and K index of 0.82).ConclusionUltrasound can be used as a valuable tool for the evaluation of bursitis of the superficial bursae in patients who cannot undergo MRI. |
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| Keywords: | Ultrasound Magnetic resonance imaging Knee Bursitis Knee bursitis |
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