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Proliferative myositis: expanding the differential diagnosis of a soft tissue mass in infancy

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Abstract

Proliferative myositis, a pseudosarcomatous lesion of skeletal muscle, is quite rare in the pediatric population. While benign, it is not always recognized as such, and may be treated with an extensive resection that can result in permanent disfigurement. We report a case of an infant with the diagnosis of proliferative myositis, who to our knowledge is the youngest patient to be evaluated with magnetic resonance imaging (MRI). Although the MRI findings are non-specific, we highlight the importance of considering proliferative myositis in the differential diagnosis of a soft tissue mass, which ultimately might prevent an overly aggressive resection in a child.

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Conflict of interest

The authors declare that there is no conflict of interest.

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Authors and Affiliations

  1. Division of Pediatric Orthopaedics, Cincinnati Children’s Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH, USA

    Robert J. Talbert

  2. Department of Radiology, Cincinnati Children’s Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH, USA

    Tal Laor

  3. Division of Pathology, Cincinnati Children’s Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH, 45229, USA

    Hong Yin

Authors
  1. Robert J. Talbert
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  2. Tal Laor
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  3. Hong Yin
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Correspondence to Tal Laor.

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Talbert, R.J., Laor, T. & Yin, H. Proliferative myositis: expanding the differential diagnosis of a soft tissue mass in infancy. Skeletal Radiol 40, 1623–1627 (2011). https://doi.org/10.1007/s00256-011-1274-4

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  • DOI: https://doi.org/10.1007/s00256-011-1274-4

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