Imaging of an invasive malignant thymoma on PET scan: CT and histopathologic correlation

Sanjeev Bagga, Evan M. Bloch

Research output: Contribution to journalReview articlepeer-review


Thymomas are common primary mediastinal neoplasms. They can be benign or malignant. The diagnosis of malignant thymomas is based on capsular invasion, cellular atypia and distant metastases. We present a case of invasive malignant thymoma as diagnosed on PET and CT scan with histologic correlation and review of literature. A seventy year old Asian man presented with cough and dyspnea. A CT scan showed an anterior mediastinal mass, and a PET scan showed a hypermetabolic mass in the corresponding location. Resection of the mass revealed a minimally invasive thymoma based on evidence of capsular invasion. PET scan proved invaluable in correctly diagnosing, staging the lesion, and excluding any extramediastinal involvement.

Original languageEnglish (US)
Pages (from-to)614-616
Number of pages3
JournalClinical nuclear medicine
Issue number10
StatePublished - Oct 1 2006
Externally publishedYes


  • Anterior mediastinal mass
  • CT scan
  • Invasive thymoma
  • PET scan
  • Thymoma

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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