Interactive Case Tutorial

 Review the history and signalment for the client  Evaluate the radiographs provided  Explore the interactive images and compare the answers given with your own interpretations. When you’ve clicked on the image, click the same spot again to make the label disappear.  Answer the questions regarding a diagnosis and recommendations  Review the radiologist’s findings

 Signalment: 10 year old, MI, Rat terrier  History: initially lame in thoracic limbs for a few days, now lame in pelvic limbs; hesitant to jump up on things  Study: lateral and DP views of bilateral carpi and tarsi

LEFT RIGHT Normal bones Intracapsular swelling

LEFTRIGHT LEFT Normal bones Intracapsular swelling

 Provide a diagnosis based on your findings. Submit Non-erosive polyarthropathy Differentials include idiopathic immune-mediated polyarthropathy (most likely given the signalment) or immune-mediated process secondary to tick borne disease Feedback Continue

 Provide your recommendation for this client. Submit Arthrocentesis of multiple joints Testing for tick borne diseases Feedback Continue

 Marked intracapsular soft tissue swelling involving all carpal joints and the tibiotarsal joint bilaterally  All carpal and tarsal bones are normal

 No follow-up available