Occult thymic carcinoma presenting as malignant cardiac tamponade.

@article{Ando1995OccultTC,
  title={Occult thymic carcinoma presenting as malignant cardiac tamponade.},
  author={Yusuke Ando and Norio Hirabayashi and Hiroyuki Minami and Fumio Nomura and Shun'ichi Sakai},
  journal={Internal medicine},
  year={1995},
  volume={34 5},
  pages={
          393-5
        }
}
A 66-year-old woman who presented with malignant cardiac tamponade of unknown origin was eventually found to have a tiny squamous cell carcinoma of the thymus. Thus, even a small thymic carcinoma can exhibit highly aggressive behavior. It should be included in the differential diagnosis of malignant cardiac tamponade of unknown origin. 
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