Progressive systemic sclerosis involving the knee

Case contributed by Dr Matt Skalski

There are numerous irregularly shaped calcific densities in the subcutaneous soft tisssues anterior to the knee, extending from the prepatelar region to the proximal tibial diaphysis. There is also a fleck of calcification noted anterior to the mid tibial diaphysis.  There is no joint effusion. 

Case Discussion

The subcutaneous calcifications seen in this case are reminiscent of dermatomyositis, but this patient had a known history of scleroderma.

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Case information

rID: 25124
Published: 6th Oct 2013
Last edited: 10th Sep 2015
Inclusion in quiz mode: Included

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