Semin Musculoskelet Radiol 2010; 14(2): 201-216
DOI: 10.1055/s-0030-1253161
© Thieme Medical Publishers

The Imaging of Myositis Ossificans

Philippa Tyler1 , Asif Saifuddin1
  • 1Department of Radiology, The Royal National Orthopaedic Hospital, Middlesex, United Kingdom
Further Information

Publication History

Publication Date:
18 May 2010 (online)

ABSTRACT

Myositis ossificans (MO) is characterized by abnormal heterotopic bone formation involving striated muscle, tendons, ligaments, fasciae, and aponeuroses. Myocardium, the diaphragm, tongue, larynx, smooth muscle, and sphincters are all spared. Several subtypes of myositis ossificans exist: posttraumatic myositis ossificans (PTMO), nontraumatic/pseudomalignant myositis ossificans, and myositis ossificans progressiva (MOP). This article reviews the clinical features and differential diagnoses of each subtype of MO and illustrates the typical imaging features demonstrated by plain radiography, ultrasound, radionuclide bone scans, computed tomography, and magnetic resonance imaging.

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Asif SaifuddinM.B. 

Department of Radiology, The Royal National Orthopaedic Hospital, Brockley Hill

Stanmore, Middlesex HA7 4LP UK

Email: Asif.Saifuddin@rnoh.nhs.uk