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Atrophy of sacrospinal muscle groups in patients with chronic, diffusely radiating lumbar back pain

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Summary

After surgery necessitated by lumbar back pain syndromes, radiolucency verified by CT may appear in the sacrospinal muscle group on the operated side. This radiolucency represents muscular atrophy and is in its most severe form a result of the replacement of muscle tissue with adipose tissue. Such muscular atrophy appeared in the present series in 31 out of all 156 patients (19.9%) and in 29 out of 94 patients operated on because of radiating lumbar back pain (30.9%). The radiological appearance, extent, and HU values of this muscular atrophy are presented in detail. Only weak correlations with the multitude of clinical symptoms and signs were found in this retrospective study. The effects of irreversible muscular atrophy on the indications for surgery and physiotherapy are discussed.

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Authors and Affiliations

  1. Roentgen Division, Department of Orthopaedics and Traumatology, Helsinki University Central Hospital, Helsinki, Finland

    E. M. Laasonen

  2. Roentgen Division, Töölö Hospital, Topeliuksenkatu 5, SF-00260, Helsinki 26, Finland

    E. M. Laasonen

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  1. E. M. Laasonen
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Laasonen, E.M. Atrophy of sacrospinal muscle groups in patients with chronic, diffusely radiating lumbar back pain. Neuroradiology 26, 9–13 (1984). https://doi.org/10.1007/BF00328195

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  • DOI: https://doi.org/10.1007/BF00328195

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