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- Title
MR imaging and ultrasonography findings of early myositis ossificans: a case report.
- Authors
Lee, Kyung; Park, So; Jin, Wook; Won, Kyu; Lee, Kyung Ryeol; Park, So Young; Won, Kyu Yeoun
- Abstract
Myositis ossificans (MO) is a benign soft tissue lesion with non-neoplastic heterotopic bone formation. MO in the intermediate and mature stages can be easily diagnosed if characteristic imaging findings such as a peripheral zonal pattern of ossification with variable thickness is observed. However, it is difficult to correctly diagnose early MO because it can mimic malignancy clinically, radiologically, and histopathologically. We report a case of early pseudosarcomatous phase of non-traumatic MO with atypical imaging findings. A 59-year-old woman presented with pain followed by a mass in the left thigh within a week. MR imaging and ultrasonography showed an intramuscular lesion with preserved muscle fascicles in the vastus lateralis muscle. Intralesional ossification or calcification was not seen on ultrasonography. A diagnosis of myositis ossificans was made by ultrasonographically guided biopsy.
- Subjects
ULTRASONIC imaging; OSSIFICATION; CALCIFICATION; BONE biopsy
- Publication
Skeletal Radiology, 2016, Vol 45, Issue 10, p1413
- ISSN
0364-2348
- Publication type
journal article
- DOI
10.1007/s00256-016-2441-4