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Thorac Cancer. 2013 Feb;4(1):75-78. doi: 10.1111/j.1759-7714.2012.00114.x.

Anterior mediastinal cystic seminoma.

Thoracic cancer

Yoshinobu Hata, Kazutoshi Isobe, Fumitomo Sato, Shoji Takahashi, Hidenori Goto, Kazuyoshi Tamaki, Megumi Wakayama, Kazutoshi Shibuya, Keigo Takagi

Affiliations

  1. Department of Chest Surgery, Toho University Omori Medical Center, Tokyo, Japan Department of Respiratory Medicine, Toho University Omori Medical Center, Tokyo, Japan Department of Surgical Pathology, Toho University Omori Medical Center, Tokyo, Japan.

PMID: 28920327 DOI: 10.1111/j.1759-7714.2012.00114.x

Abstract

Mediastinal cystic seminoma is uncommon; only 17 cases have been reported, most diagnosed postoperatively, without recurrence on follow-up, even without radiotherapy. Here, we report a mediastinal seminoma showing a unilocular cyst with enhancing thickened wall in computed tomography (CT) and septal structures in magnetic resonance imaging (MRI) in a 24-year-old man. Fluorodeoxyglucose (FDG) uptake was not significant. Histopathologically, seminoma cells were found scattered in the cyst wall. Twenty months after resection, the patient's quality of life is good, without chemotherapy or radiation. Cystic seminoma has a good prognosis and complete resection without adjuvant therapy might be sufficient for young patients of reproductive age.

© 2012 Tianjin Lung Cancer Institute and Wiley Publishing Asia Pty Ltd.

Keywords: cysts; mediastinal tumor; seminoma

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