Proliferative myositis in a child |
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| Authors: | S Mulier M Stas J Delabie L Lateur M Gysen P Dal Cin C Robberecht I De Wever |
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| Institution: | (1) Department of Surgical Oncology, University Hospital Gasthuisberg, Herestraat 49, B-3000 Leuven, Belgium, BE;(2) Department of Pathology, University Hospital Gasthuisberg, Leuven, Belgium, BE;(3) Department of Radiology, University Hospital Gasthuisberg, Leuven, Belgium, BE;(4) Department of Nuclear Medicine, University Hospital Gasthuisberg, Leuven, Belgium, BE;(5) Center for Human Genetics, University Hospital Gasthuisberg, Leuven, Belgium, BE |
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| Abstract: | A case of proliferative myositis in the lumbar paraspinal muscles in a 14-year-old boy is presented. Imaging investigations
including plain radiograph, ultrasound, computed tomography (CT), magnetic resonance imaging (MRI), bone scan and positron
emission tomography (PET) were suggestive of an inflammatory process such as myositis ossificans. The diagnosis was made by
incisional biopsy. More pronounced edema, more muscle fiber necrosis and a higher cellularity were found compared to adult
cases. The karyotype of the lesion was normal. Clinically, the mass disappeared spontaneously. After 24 months, asymptomatic
bridging ossification between the third and fourth lumbar vertebrae was noted.
Received: 18 February 1999 Revision requested: 29 March 1999 Revision received: 23 August 1999 Accepted: 24 August 1999 |
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| Keywords: | Proliferative myositis Childhood Lumbar muscles Ossification X-ray CT MRI PET |
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