Myositis ossificans - arm

Case contributed by Dr Angela Byrne

Patient Data

Age: 16 years
Gender: Male

Well circumscribed peripherally calcified lesion, separate from the underlying humerus which appears normal. 


MRI demonstrates heterogeneous signal generally isointense to that of muscle on T1, and heterogeneous high signal on T2 weighted images.


Increased calcification and decreased size (expected evolution) one year later. 

Case Discussion

Findings are in keeping with myositis ossificans.

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Case information

rID: 8127
Published: 13th Jan 2010
Last edited: 13th Aug 2019
Inclusion in quiz mode: Included

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