Resumo

SOTO DE PRADO, D. et al. Taponamiento cardíaco como forma de presentación de un tumor de origen desconocido: abuso en las pruebas diagnósticas. Oncología (Barc.) [online]. 2005, vol.28, n.6, pp.39-42. ISSN 0378-4835.

PURPOSE: We report the case of a woman with cancer of unknown primary site, presented with pericardial effusion and cardiac tamponade. Necropsy showed a pericardium with poorly differentiated lung adenocarcinoma lesions. MATERIAL AND METHODS: We present a 60 year old woman who after the pertinent tests was diagnosed of cardiac tamponade secondary to pericardial metastasis of cancer of unknown primary site. RESULTS AND CONCLUSIONS: Cancer of unknown primary site is a very common problem in the oncology clinical practice, that has been estimated between 5 and 10 % of all cancers, representing a common medical problem because of the difficult diagnosis and therapeutic management. The clinical manifestations depend on the localization of the distant metastases, whose pattern differs from that of the metastatic localizations of the homologous cancers of known primary site. The lack of results after an exhaustive search make further studies unnecessary.

Palavras-chave : Cancer of unknown primary site; Cardiac tamponade; Profitability of diagnostic tests.

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