Abstract
The authors report a patient with persistent left knee pain after traumatic injury. The initial bone scan seemed to confirm a valgus stress knee injury. The final diagnosis, however, was focal inflammation of the knee ligaments (enthesopathy) related to ankylosing spondylitis. The diagnostic procedure and the results of other imaging modalities are presented. The bone scan findings are discussed.
MeSH terms
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Adult
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Arthralgia / diagnosis*
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Arthralgia / etiology*
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Athletic Injuries / complications
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Athletic Injuries / diagnosis
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Athletic Injuries / diagnostic imaging
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Diagnosis, Differential
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Diagnostic Errors*
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Humans
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Knee Injuries / diagnosis
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Knee Injuries / diagnostic imaging
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Knee Injuries / etiology
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Knee Joint / diagnostic imaging*
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Male
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Radiography
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Radionuclide Imaging
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Spondylarthropathies / complications*
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Spondylarthropathies / diagnosis
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Spondylarthropathies / diagnostic imaging*