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Carcinoma of unknown primary presenting as large right atrial and ventricular mass secondary to disseminated tumor thrombosis.

ABSTRACT: We report a 65-year-old male patient who presented with right heart failure and a large mobile right atrial and ventricular mass on echocardiography. His computed tomography demonstrated bilateral supraclavicular/mediastinal lymphadenopathy, right atrial and ventricular mass with right pulmonary artery segmental embolism, and multiple liver hypodense lesions. His tumor markers were negative. However, fine-needle aspiration cytology of supraclavicular lymph node revealed metastatic carcinoma suggestive of squamous cell carcinoma. He was suspected to have carcinoma of unknown primary origin. This case illustrates a rare presentation of carcinoma of unknown primary origin with disseminated tumor thrombosis primarily manifesting in heart and other sites.

SUBMITTER: Panduranga P

PROVIDER: S-EPMC4124668 | biostudies-literature | 2014 Apr

REPOSITORIES: biostudies-literature

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