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CAP Home > Case of the Month > August 2009 - Thymus
Printable Version

2009 — August Case of the Month

Updated July 30, 2009


CAP Foundation August 2009 Online Case of the Month

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A 50-year-old man presented with chest pain and dyspnea. Chest X-ray revealed an anterior mediastinal mass. Biopsy was performed with subsequent resection of the tumor. A 6.0 x 5.0 x 4.0 cm circumscribed mass was received which had a firm, tan cut surface with focal areas of hemorrhage. Immunohistochemical studies were positive for keratin, chromogranin and synaptophysin.

The master list with the correct answer

  • Paraganglioma
  • Small cell carcinoma
  • Thymic carcinoid
  • Thymic carcinoma
  • Thymoma

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  • Appropriate diagnosis
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