MADRID—Calcification in osteoarthritis (OA) involves a series of pathways and interactions that feed off each other in a process that bears some resemblance to the transformation of cartilage to bone that takes place in the embryonic stage of human development, a researcher said here at the 2017 Annual European Congress on Rheumatology (EULAR). “My hypothesis…
Editor’s note: In this recurring feature, we first present a series of images (this page) for your review, and then a brief discussion of the findings and diagnosis. Before you turn to the discussion, examine these images carefully and draw your own conclusions. History A 49-year-old woman presents with one year of chronic left ankle…
Radiographic imaging showed circumferential soft tissue swelling of the ankle with a soft-tissue density seen in the tibiotalar and posterior subtalar joints, as well as a large, lobulated effusion. MRI of the left ankle shows cystic changes within the talus and first cuneiform bones, as well as a lobulated abnormal soft tissue density with low…