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Alveolar soft part sarcoma: unusual etiology of mediastinal mass in an adolescent

Ryan Schenning, Petra Vajtai, Megan Troxell, Jeffrey Pollock, Katharine Hopkins
  • Ryan Schenning
    Department of Diagnostic Radiology, Oregon Health & Science University, Portland, Oregon, United States
  • Petra Vajtai
    Departments of Diagnostic Radiology and Pediatrics, Oregon Health & Science University, Portland, Oregon, United States
  • Megan Troxell
    Department of Pathology, Oregon Health & Science University, Portland, Oregon, United States
  • Jeffrey Pollock
    Department of Diagnostic Radiology, Oregon Health & Science University, Portland, Oregon, United States
  • Katharine Hopkins
    Departments of Diagnostic Radiology and Pediatrics, Oregon Health & Science University, Portland, Oregon, United States | hopkinsk@ohsu.edu

Abstract

Alveolar soft part sarcoma (ASPS) is a rare malignancy that usually arises in an extremity. Mediastinal involvement is uncommon, with only two reports of primary mediastinal disease and two reports of metastatic mediastinal disease in the literature, all referencing adult patients. To our knowledge, ours is the first report of ASPS presenting with a mediastinal mass in adolescence. Although ASPS is not generally included in the differential for adolescent mediastinal masses, it should be considered when clinical presentation and imaging appearance are characteristic.

Keywords

alveolar soft part sarcoma, malignant mesenchymal tumor, mediastinal mass, metastases, adolescence.

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Submitted: 2013-03-14 21:45:02
Published: 2013-09-09 18:00:24
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Copyright (c) 2013 Ryan Schenning, Petra Vajtai, Megan Troxell, Jeffrey Pollock, Katharine Hopkins

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