Myositis ossificans: humerus

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.

PlayAdd to Share

Case information

rID: 8127
Published: 13th Jan 2010
Last edited: 3rd Oct 2015
Inclusion in quiz mode: Included

Updating… Please wait.

Alert accept

Error Unable to process the form. Check for errors and try again.

Alert accept Thank you for updating your details.