Patient Data
Age: 16 years
Gender: Male
From the case:
Myositis ossificans - arm
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Well circumscribed peripherally calcified lesion, separate from the underlying humerus which appears normal.
From the case:
Myositis ossificans - arm
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/8971/annotated_viewer_json?lang=us"}
MRI demonstrates heterogeneous signal generally isointense to that of muscle on T1, and heterogeneous high signal on T2 weighted images.
From the case:
Myositis ossificans - arm
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/40338/annotated_viewer_json?lang=us"}
Increased calcification and decreased size (expected evolution) one year later.
Case Discussion
Findings are in keeping with myositis ossificans.