Cardiac tamponade can be a rare initial presentation of undiagnosed extracardiac malignancies, including adenosquamous carcinoma of the lung.
Cardiac tamponade may signal undiagnosed malignancy; extends rare case reports but leaves open any diagnostic protocol changes.
Two cases of extracardiac malignancies presenting with cardiac tamponade are reported. One patient had adenosquamous carcinoma of the lung. Such a manifestation of this tumor has never been reported previously. The second patient had an adenocarcinoma and is the youngest case of carcinoma presenting with tamponade. The English literature has been reviewed.
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Aggarwal et al. (1991) studied this question.
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