October 2014

Symptoms

33 year-old female with an acute painful mass adjacent to the PIP joint of the index finger.

Diagnosis

Acute calcific periarthritis, as seen on plain radiography (white arrowhead), coronal T1-weighted (white arrow), and coronal fat-suppressed proton density (black arrow) images. http://link.springer.com/article/10.1007%2Fs10140-007-0626-9/lookinside/000.png