2008 Radiology Exam - CT/MRI Case 1

Signalment: 7 yr male Rottweiler
History: chronic left forelimb lameness
Note: The candidates were given a maximum of 4 hardcopy films to interpret for each case. They were told to interpret based only on what was provided them. For this section, they would not be expected to ask for additional films.

See images below. Click to enlarge.

1. The patient’s right is to the viewers left in these images. What is the anatomic region and CT window setting?
Bilateral elbow, bone

2. What are the imaging abnormalities?
Bilateral periarticular osteophytes, bilateral fragmentation of MCP, bilateral mineral opacity masses adjacent to medial epicondyle

3. What are your prioritized differential diagnoses, based on the available information?
Bilateral elbow DJD, bilateral FCP, bilateral calcifying tendinopathy (avulsion fragment accepted also)

4. What other imaging studies or treatments would you recommend next and WHY?
Accepted any of the following: conservative treatment with non-steroidal anti-inflammatories, surgical removal of FCP, ulnar osteotomy to correct incongruity, sagittal reformatted images to assess incongruity