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Mediastinal pseudomass: Pneumonia and atelectasis behind the left pulmonary ligament

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Abstract

In children, left lower lobe pneumonia posterior to the pulmonary ligament may mimic a paramediastinal mass. Over a period of 6 years we have seen 12 children with this unusual appearance, which we attribute to a peculiar type of atelectasis or infiltration of the left lower lobe or a segment of it. The radiographic appearance is thought to be the result of incomplete anchoring of the left lung by a short pulmonary ligament. The radiographic findings are demonstrated, and the benign clinical course is emphasized.

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Authors and Affiliations

  1. Department of Radiology, Section of Pediatric Radiology, University of Lund, Lund, Sweden

    N. Malmgren, S. Laurin & K. Ivancev

  2. Department of Pediatrics, University of Lund, Lund, Sweden

    A. Békassy

  3. Department of Diagnostic Radiology, University Hospital, S-221 85, Lund, Sweden

    N. Malmgren

Authors
  1. N. Malmgren
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  2. S. Laurin
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  3. K. Ivancev
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  4. A. Békassy
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Malmgren, N., Laurin, S., Ivancev, K. et al. Mediastinal pseudomass: Pneumonia and atelectasis behind the left pulmonary ligament. Pediatr Radiol 17, 451–453 (1987). https://doi.org/10.1007/BF02388276

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  • DOI: https://doi.org/10.1007/BF02388276

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