Other Studies:
Knee X-rays
<br>Normal
<br>
<br>Arthrocentesis
<br>Normal synovial fluid without evidence of hemorrhage, crystals, inflammation, or infection
<br>
<br>MRI of Left Knee
<br>Increased T2 signal in the posterior aspect of the knee, consistent with the synovial area as well as heterogeneous synovial signal just medial to the patellar tendon anteriorly. No significant ligamentous abnormality or meniscal pathology. <a href="CaseStudyImages/CS129yofemalewithLtK-108.jpg" title="Case Photo #1" data-lity><b>Case Photo #1</b></a> , <a href="CaseStudyImages/CS2CS129yofemalewith-108.jpg" title="Case Photo #2" data-lity><b>Case Photo #2</b></a> , <a href="CaseStudyImages/CS3CS2CS129yofemalew-108.jpg" title="Case Photo #3" data-lity><b>Case Photo #3</b></a> , <a href="CaseStudyImages/CS4CS3CS2CS129yofema-108.jpg" title="Case Photo #4" data-lity><b>Case Photo #4</b></a> , <a href="CaseStudyImages/CS5CS4CS3CS2CS129yof-108.jpg" title="Case Photo #5" data-lity><b>Case Photo #5</b></a> , <a href="CaseStudyImages/CS6CS5CS4CS3CS2CS129-108.jpg" title="Case Photo #6" data-lity><b>Case Photo #6</b></a> , <a href="CaseStudyImages/CS7CS6CS5CS4CS3CS2CS-108.jpg" title="Case Photo #7" data-lity><b>Case Photo #7</b></a> , <a href="CaseStudyImages/CS8CS7CS6CS5CS4CS3CS-108.jpg" title="Case Photo #8" data-lity><b>Case Photo #8</b></a>
<br>
<br>Left Knee Synovial Biopsy
<br>Reactive synovium and granulation tissue with changes consistent with synovial chondromatosis without evidence of malignancy. <a href="CaseStudyImages/CS9CS8CS7CS6CS5CS4CS-108.jpg" title="Case Photo #9" data-lity><b>Case Photo #9</b></a> , <a href="CaseStudyImages/CS10CS9CS8CS7CS6CS5C-108.jpg" title="Case Photo #10" data-lity><b>Case Photo #10</b></a>
Click here to continue. Challenge yourself by writing down a revised, working diagnosis before moving to the next slide.