Primary synovial osteochondromatosis

Case contributed by Dr Matt Skalski


Shoulder pain.

Patient Data

Age: 45
Gender: Male

There is a large calcfic mass surrounding the glenohumeral joint, made up of numerous uniformly sized densities which each have a cortical rim. There are multiple associated pressure erosions on the surrounding osseous structures, most notably the humeral head and surgical neck of the humerus. 

Case Discussion

This is an extreme example of primary synovial osteochondromatosis. A differential consideration in this case would be tumoral calcinosis.

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Case information

rID: 29692
Published: 14th Jun 2014
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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